Used Audi A4 for sale near Watford
There are 172 used Audi A4 for sale from UK dealers within 20 miles of Watford on AskCar, as of 6 November 2026. Typical asking price £13,000 (the median: half cost less, half cost more). The cheapest is £2,995. AskCar lists 1,490 used Audi A4 across the UK, from 974 dealerships.
The middle half of the 172 cars are priced between £9,700 and £16,900.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Watford
49 of the 172 Audi A4 within 20 miles of Watford had their price reduced in the last 14 days to 6 November 2026. Of those priced between £1,000 and £60,000, these 8 have the biggest reductions in pounds since AskCar first saw them.
- 2021 Audi A4 2.0 TFSI S Line, 201 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 15,297 miles. Price: £21,745, reduced by £2,250 from £23,995 since AskCar first saw it on 23 September 2026, 44 days ago. Fair price: £1,240 (6%) over the AskCar estimate of £20,505. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 September 2027. Dealer: Group 1 Automotive Chingford Audi in Chingford, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2021-e9f0be540ded
- 2022 Audi A4 2.0 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 80,737 miles. Price: £14,000, reduced by £2,000 from £16,000 since AskCar first saw it on 17 July 2026, 112 days ago. Fair price: £230 (1%) under the AskCar estimate of £14,230. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT. Dealer: Quality Part X Dunstable in Dunstable, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2022-03a01b864618
- 2023 Audi A4 2.0 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 80,600 miles. Price: £14,251, reduced by £1,949 from £16,200 since AskCar first saw it on 11 July 2026, 118 days ago. Fair price: £278 (1%) under the AskCar estimate of £14,529. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 June 2027. Dealer: Quality Part X Dunstable in Dunstable, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-bf63b86135ef
- 2018 Audi A4 2.0 TFSI, 187 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 64,000 miles. Price: £12,750, reduced by £1,860 from £14,610 since AskCar first saw it on 8 July 2026, 121 days ago. Good value: £1,200 (8%) under the AskCar estimate of £13,950. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 27 September 2026; ask the dealer for the current MOT. Dealer: Shop For Cars in Luton, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-6052029b25ab
- 2021 Audi A4 2.0 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 25,865 miles. Price: £17,100, reduced by £1,850 from £18,950 since AskCar first saw it on 25 August 2026, 73 days ago. Good value: £1,706 (9%) under the AskCar estimate of £18,806. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 August 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2021-8f18484fdadf
- 2017 Audi A4 2.0 S Line, 187 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 76,394 miles. Price: £12,495, reduced by £1,800 from £14,295 since AskCar first saw it on 15 September 2026, 52 days ago. Fair price: £922 (7%) over the AskCar estimate of £11,573. MOT: valid until 11 November 2026. Dealer: HR Cars in Chesham, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-1c279d1127ff
- 2015 Audi A4 2.0, 187 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 58,528 miles. Price: £9,990, reduced by £1,500 from £11,490 since AskCar first saw it on 13 August 2026, 85 days ago. Fair price: £367 (3%) over the AskCar estimate of £9,623. MOT: valid until 28 July 2027. Dealer: Herts Autos in Welwyn, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2015-810208258cfb
- 2017 Audi A4 2.0 TFSI Sport, 249 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 65,781 miles. Price: £11,995, reduced by £1,500 from £13,495 since AskCar first saw it on 23 August 2026, 75 days ago. Fair price: £736 (5%) under the AskCar estimate of £12,731. Euro 6 emissions standard. ULEZ compliant. Dealer: JMS Cars in Staines, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-e5c7077369db
Median asking price by year
| Year | For sale with a price | Median asking price | Middle half priced between |
|---|---|---|---|
| 2019 | 23 | £13,500 | £12,600 to £15,200 |
| 2016 | 25 | £10,000 | £8,300 to £11,000 |
Cars for sale now, page 1 of 2
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 1,435 priced Audi A4 adverts on AskCar as of 6 November 2026.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2014 Audi A4 2.0, manual, diesel, saloon, 4 doors, grey. Mileage: 115,209 miles. Price: £3,495, unchanged since AskCar first saw it on 6 November 2026. Good value: £962 (21%) under the AskCar estimate of £4,457. MOT: valid until 23 February 2027. Dealer: Emporium Motors in Windsor, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2014-f5aa25a7881b
- 2013 Audi A4 2.0, automatic, petrol, saloon, blue. Mileage: 44,104 miles. Price: £6,499, unchanged since AskCar first saw it on 20 August 2026, 78 days ago. Good value: £1,349 (17%) under the AskCar estimate of £7,848. Dealer: Skysun in London, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2013-f5751b24b799
- 2010 Audi A4 2.0 TFSI Executive S Line, 208 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 101,000 miles. Price: £4,000, unchanged since AskCar first saw it on 12 June 2026, 147 days ago. Good value: £713 (15%) under the AskCar estimate of £4,713. Euro 5 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 24 June 2026; ask the dealer for the current MOT. Dealer: Impulse Motors in Harrow, 6 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2010-dd9ba995c2cd
- 2021 Audi A4 2.0 TDI Black Edition, 160 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 51,500 miles. Price: £16,500, reduced by £1,495 from £17,995 since AskCar first saw it on 29 August 2026, 69 days ago. Good value: £2,876 (14%) under the AskCar estimate of £19,376. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 December 2026. Dealer: AC Motor Sales in Chertsey, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2021-6b02d23d15c2
- 2018 Audi A4 2.0 TDI, 187 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 121,105 miles. Price: £8,499, reduced by £1,300 from £9,799 since AskCar first saw it on 31 August 2026, 67 days ago. Good value: £1,479 (14%) under the AskCar estimate of £9,978. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 February 2027. Dealer: Smart Choice Autos in Luton, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-8635ed53e000
- 2015 Audi A4 2.0 TFSI Black Edition, 221 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 78,817 miles. Price: £9,050, unchanged since AskCar first saw it on 3 November 2026, 3 days ago. Good value: £1,564 (14%) under the AskCar estimate of £10,614. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 January 2027. Dealer: Car Planet Barnet in Barnet, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2015-648d8435887f
- 2016 Audi A4 2.0 TDI ultra S Line, 187 bhp, manual, diesel, saloon, 4 doors, grey. Mileage: 136,100 miles. Price: £5,890, unchanged since AskCar first saw it on 13 September 2026, 54 days ago. Good value: £925 (13%) under the AskCar estimate of £6,815. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 December 2026. Dealer: Smart Choice Autos in Luton, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-43e63b9bcf08
- 2014 Audi A4 2.0, automatic, petrol, estate, grey. Mileage: 54,121 miles. Price: £6,799, unchanged since AskCar first saw it on 20 August 2026, 78 days ago. Good value: £928 (12%) under the AskCar estimate of £7,727. Dealer: Skysun in London, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2014-df4724848130
- 2009 Audi A4 2.0 TFSI S Line, 208 bhp, manual, petrol, saloon, 4 doors, silver. Mileage: 81,000 miles. Price: £3,400, reduced by £850 from £4,250 since AskCar first saw it on 8 July 2026, 121 days ago. Good value: £459 (11%) under the AskCar estimate of £3,859. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 18 September 2026; ask the dealer for the current MOT. Dealer: Dash Autos in Harrow, 5 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2009-377e94b9e2a2
- 2017 Audi A4 2.0 TDI S Line, 187 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 31,000 miles. Price: £14,898, reduced by £591 from £15,489 since AskCar first saw it on 15 October 2026, 22 days ago. Good value: £1,837 (10%) under the AskCar estimate of £16,735. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 September 2027. Dealer: Auto Vuego Motors in Hillingdon, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-20e3c4c714e7
- 2016 Audi A4 1.8 TFSI SE Technik, 168 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 54,000 miles. Price: £8,340, reduced by £900 from £9,240 since AskCar first saw it on 14 June 2026, 145 days ago. Good value: £1,021 (10%) under the AskCar estimate of £9,361. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 3 April 2027. Dealer: Smart Wheel Motors in Uxbridge, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-8e9c2603c1b8
- 2014 Audi A4 2.0, automatic, petrol, estate, black. Mileage: 52,105 miles. Price: £6,999, unchanged since AskCar first saw it on 20 August 2026, 78 days ago. Good value: £814 (10%) under the AskCar estimate of £7,813. Dealer: Skysun in London, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2014-4fc4b582db0d
- 2015 Audi A4 1.8 SE, 167 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 38,000 miles. Price: £8,840, reduced by £500 from £9,340 since AskCar first saw it on 28 May 2026, 162 days ago. Good value: £1,022 (10%) under the AskCar estimate of £9,862. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 December 2026. Dealer: Smart Wheel Motors in Uxbridge, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2015-852b120c488b
- 2019 Audi A4 2.0 TDI SE, 147 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 66,200 miles. Price: £10,994, reduced by £800 from £11,794 since AskCar first saw it on 15 August 2026, 83 days ago. Good value: £1,213 (9%) under the AskCar estimate of £12,207. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 August 2027. Dealer: Car Vault in Welwyn Garden City, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-df6122d979e1
- 2019 Audi A4 2.0 TDI S Line, automatic, diesel, saloon, 4 doors, black. Mileage: 47,000 miles. Price: £13,995, unchanged since AskCar first saw it on 12 August 2026, 86 days ago. Good value: £1,466 (9%) under the AskCar estimate of £15,461. Euro 6 emissions standard. ULEZ compliant. Dealer: Mk Motors Chalfont in Chalfont St Peter, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-0dbe20a1acd3
- 2023 Audi A4 2.0 TDI Black Edition, 160 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 42,570 miles. Price: £20,000, reduced by £2,500 from £22,500 since AskCar first saw it on 28 May 2026, 162 days ago. Good value: £2,071 (9%) under the AskCar estimate of £22,071. Euro 6 emissions standard. ULEZ compliant. Dealer: MB Brent Park in London, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-dfbd8085f480
- 2021 Audi A4 2.0 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 25,865 miles. Price: £17,100, reduced by £1,850 from £18,950 since AskCar first saw it on 25 August 2026, 73 days ago. Good value: £1,706 (9%) under the AskCar estimate of £18,806. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 August 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2021-8f18484fdadf
- 2018 Audi A4 2.0 TFSI, 187 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 64,000 miles. Price: £12,750, reduced by £1,860 from £14,610 since AskCar first saw it on 8 July 2026, 121 days ago. Good value: £1,200 (8%) under the AskCar estimate of £13,950. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 27 September 2026; ask the dealer for the current MOT. Dealer: Shop For Cars in Luton, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-6052029b25ab
- 2019 Audi A4 2.0 TDI Sport, 187 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 69,360 miles. Price: £12,750, reduced by £900 from £13,650 since AskCar first saw it on 1 October 2026, 36 days ago. Good value: £1,188 (8%) under the AskCar estimate of £13,938. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 May 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-75b66cd3591c
- 2016 Audi A4 3.0 S Line, 214 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 96,317 miles. Price: £9,700, reduced by £900 from £10,600 since AskCar first saw it on 6 August 2026, 92 days ago. Good value: £898 (8%) under the AskCar estimate of £10,598. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 June 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-05ec4d1cedae
- 2017 Audi A4 2.0 TFSI SE, 187 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 31,432 miles. Price: £12,495, reduced by £1,500 from £13,995 since AskCar first saw it on 8 July 2026, 121 days ago. Good value: £1,094 (8%) under the AskCar estimate of £13,589. Euro 6 emissions standard. ULEZ compliant. Dealer: JMS Cars in Staines, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-0910178c29dc
- 2016 Audi A4 3.0 TDI V6 S Line, 268 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 91,044 miles. Price: £10,300, unchanged since AskCar first saw it on 6 November 2026. Fair price: £867 (7%) under the AskCar estimate of £11,167. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 7 February 2027. Dealer: Car Planet Barnet in Barnet, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-b4d4f380243b
- 2014 Audi A4 2.0 TFSI Black Edition, 222 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 85,175 miles. Price: £8,249, raised by £250 from £7,999 since AskCar first saw it on 28 May 2026, 162 days ago. Fair price: £660 (7%) under the AskCar estimate of £8,909. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 March 2027. Dealer: Planet Cars UK in Slough, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2014-fa51a2b86e78
- 2023 Audi A4 2.0 TFSI Sport Edition, 147 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 29,524 miles. Price: £18,750, reduced by £850 from £19,600 since AskCar first saw it on 22 August 2026, 76 days ago. Fair price: £1,437 (7%) under the AskCar estimate of £20,187. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 January 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-27984bd4aace
- 2015 Audi A4 2.0 TFSI, 222 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 61,300 miles. Price: £9,995, unchanged since AskCar first saw it on 4 August 2026, 94 days ago. Fair price: £763 (7%) under the AskCar estimate of £10,758. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 May 2027. Dealer: Carline Motors in Hemel Hempstead, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2015-918b783eb73e
- 2016 Audi A4 2.0, 148 bhp, manual, diesel, saloon, 4 doors, black. Mileage: 98,522 miles. Price: £7,000, reduced by £1,000 from £8,000 since AskCar first saw it on 21 September 2026, 46 days ago. Fair price: £522 (6%) under the AskCar estimate of £7,522. MOT: valid until 6 January 2027. Dealer: Star Cars London in Chingford, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-549dd58ddd6d
- 2017 Audi A4 2.0 TDI S Line, 147 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 84,564 miles. Price: £9,950, unchanged since AskCar first saw it on 1 November 2026, 5 days ago. Fair price: £740 (6%) under the AskCar estimate of £10,690. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 March 2027. Dealer: James Richards Car Sales in Stevenage, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-2a1e6513b395
- 2019 Audi A4 2.0 TDI Sport, 187 bhp, automatic, diesel, saloon, 4 doors, silver. Mileage: 61,861 miles. Price: £13,115, reduced by £2,380 from £15,495 since AskCar first saw it on 20 June 2026, 139 days ago. Fair price: £968 (6%) under the AskCar estimate of £14,083. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 22 August 2026; ask the dealer for the current MOT. Dealer: Parkside Motors in Edgware, 6 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-e79114d6d41d
- 2017 Audi A4 2.0 TFSI S Line, automatic, petrol, saloon, 4 doors, black. Mileage: 41,010 miles. Price: £12,995, reduced by £1,000 from £13,995 since AskCar first saw it on 24 September 2026, 43 days ago. Fair price: £940 (6%) under the AskCar estimate of £13,935. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 7 July 2027. Dealer: Asahi Motors London in London, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-ed515c0a13da
- 2023 Audi A4 2.0 TFSI Sport, 148 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 27,200 miles. Price: £16,990, unchanged since AskCar first saw it on 20 October 2026, 17 days ago. Fair price: £1,085 (6%) under the AskCar estimate of £18,075. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 September 2027. Dealer: UK Wheels in Edgware, 6 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-8c2b8dd56aa4
- 2023 Audi A4 2.0 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 14,676 miles. Price: £19,990, unchanged since AskCar first saw it on 4 November 2026, 2 days ago. Fair price: £1,267 (5%) under the AskCar estimate of £21,257. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 October 2027. Dealer: Spire Cars UK in London, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-518631121fcd
- 2017 Audi A4 3.0 Sport, 214 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 37,200 miles. Price: £13,651, reduced by £849 from £14,500 since AskCar first saw it on 17 September 2026, 50 days ago. Fair price: £857 (5%) under the AskCar estimate of £14,508. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 September 2027. Dealer: Planet Motors in Tower Hamlets, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-d9c315332b24
- 2017 Audi A4 2.0 TFSI Sport, 249 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 65,781 miles. Price: £11,995, reduced by £1,500 from £13,495 since AskCar first saw it on 23 August 2026, 75 days ago. Fair price: £736 (5%) under the AskCar estimate of £12,731. Euro 6 emissions standard. ULEZ compliant. Dealer: JMS Cars in Staines, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-e5c7077369db
- 2020 Audi A4 2.0 TDI Technik, 161 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 67,264 miles. Price: £13,485, reduced by £500 from £13,985 since AskCar first saw it on 5 September 2026, 62 days ago. Fair price: £823 (5%) under the AskCar estimate of £14,308. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 July 2027. Dealer: SG Motorhouse in Hoddesdon, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2020-437c66751052
- 2011 Audi A4 1.8 Executive S Line, manual, petrol, saloon, silver. Mileage: 88,735 miles. Price: £4,150, unchanged since AskCar first saw it on 4 November 2026, 2 days ago. Fair price: £245 (5%) under the AskCar estimate of £4,395. MOT: valid until 30 October 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2011-76b58750c551
- 2021 Audi A4 2.0 TFSI Black Edition, 201 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 35,973 miles. Price: £19,950, reduced by £850 from £20,800 since AskCar first saw it on 24 September 2026, 43 days ago. Fair price: £1,174 (5%) under the AskCar estimate of £21,124. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 May 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2021-4375ecc6cf76
- 2016 Audi A4 2.0 TDI S Line, 187 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 52,000 miles. Price: £12,789, unchanged since AskCar first saw it on 5 November 2026, 1 day ago. Fair price: £751 (5%) under the AskCar estimate of £13,540. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 July 2027. Dealer: Bluehawk Automotive in Hounslow, 12 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-f61df597b5bf
- 2023 Audi A4 2.0 TFSI Technik, 147 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 56,000 miles. Price: £14,440, unchanged since AskCar first saw it on 5 November 2026, 1 day ago. Fair price: £846 (5%) under the AskCar estimate of £15,286. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 May 2027. Dealer: Wembley Prestige Cars in Watford, 0 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-2d615e0b1f6e
- 2019 Audi A4 2.0 TFSI S Line, 187 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 31,289 miles. Price: £16,100, reduced by £750 from £16,850 since AskCar first saw it on 24 September 2026, 43 days ago. Fair price: £941 (5%) under the AskCar estimate of £17,041. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 March 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-1b9ee5598ef5
- 2021 Audi A4 2.0 TFSI Black Edition, 147 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 70,300 miles. Price: £15,490, reduced by £500 from £15,990 since AskCar first saw it on 21 September 2026, 46 days ago. Fair price: £886 (5%) under the AskCar estimate of £16,376. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 November 2026. Dealer: Herts Autos in Welwyn, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2021-7ffc72ca10c5
- 2019 Audi A4 2.0 TFSI Black Edition, 148 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 68,000 miles. Price: £13,695, unchanged since AskCar first saw it on 1 November 2026, 5 days ago. Fair price: £781 (5%) under the AskCar estimate of £14,476. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 15 September 2026; ask the dealer for the current MOT. Dealer: Selekt Motors in Slough, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-c13dc218ccae
- 2023 Audi A4 2.0 TFSI Sport, 148 bhp, automatic, petrol, saloon, 4 doors, silver. Mileage: 32,325 miles. Price: £16,691, reduced by £509 from £17,200 since AskCar first saw it on 9 October 2026, 28 days ago. Fair price: £937 (5%) under the AskCar estimate of £17,628. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 September 2027. Dealer: Quality Part X Dunstable in Dunstable, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-19b2532f67b9
- 2022 Audi A4 2.0 TFSI Black Edition, automatic, petrol, saloon, 4 doors, white. Mileage: 30,670 miles. Price: £20,980, reduced by £500 from £21,480 since AskCar first saw it on 25 August 2026, 73 days ago. Fair price: £1,148 (5%) under the AskCar estimate of £22,128. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 May 2027. Dealer: Windsor Car Centre in Windsor, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2022-81346c8d3425
- 2017 Audi A4 2.0 TDI S Line, 187 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 47,550 miles. Price: £14,500, reduced by £850 from £15,350 since AskCar first saw it on 15 August 2026, 83 days ago. Fair price: £785 (5%) under the AskCar estimate of £15,285. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 August 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-ddd7b266daa1
- 2020 Audi A4 2.0 TDI Black Edition, 160 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 63,000 miles. Price: £16,989, unchanged since AskCar first saw it on 17 October 2026, 20 days ago. Fair price: £917 (5%) under the AskCar estimate of £17,906. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 July 2027. Dealer: Bluehawk Automotive in Hounslow, 12 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2020-5199cc2a550e
- 2018 Audi A4 2.0, manual, diesel, saloon, 4 doors, silver. Mileage: 60,000 miles. Price: £11,495, reduced by £255 from £11,750 since AskCar first saw it on 3 October 2026, 34 days ago. Fair price: £582 (4%) under the AskCar estimate of £12,077. MOT: valid until 28 September 2027. Dealer: Firstgear Cars in Hoddesdon, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-d6f09034391d
- 2016 Audi A4 1.4 TFSI Sport, 148 bhp, manual, petrol, saloon, 4 doors, white. Mileage: 165,000 miles. Price: £4,480, unchanged since AskCar first saw it on 28 May 2026, 162 days ago. Fair price: £222 (4%) under the AskCar estimate of £4,702. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 December 2026. Dealer: House of Cars in Windsor, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-975237e0adfe
- 2016 Audi A4 2.0 TDI ultra SE, 148 bhp, manual, diesel, saloon, 4 doors, blue. Mileage: 83,000 miles. Price: £7,745, reduced by £354 from £8,099 since AskCar first saw it on 8 September 2026, 59 days ago. Fair price: £380 (4%) under the AskCar estimate of £8,125. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 June 2027. Dealer: Cars Club Cars Hub in Slough, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-4e3dc1579f24
- 2024 Audi A4 2.0 TFSI Black Edition, 201 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 9,927 miles. Price: £26,500, unchanged since AskCar first saw it on 1 November 2026, 5 days ago. Fair price: £1,289 (4%) under the AskCar estimate of £27,789. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group West London Audi in London, 12 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2024-e90684fbbcee
- 2024 Audi A4 2.0 TFSI Sport, 148 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 26,500 miles. Price: £18,990, unchanged since AskCar first saw it on 2 November 2026, 4 days ago. Fair price: £921 (4%) under the AskCar estimate of £19,911. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone Amersham Audi in Amersham, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2024-555b36824ce0
- 2017 Audi A4 2.0 TFSI S Line, 249 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 47,000 miles. Price: £14,489, unchanged since AskCar first saw it on 6 November 2026. Fair price: £696 (4%) under the AskCar estimate of £15,185. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 June 2027. Dealer: Stonebrook Motors in Hillingdon, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-63fa2159635f
- 2019 Audi A4 2.0 TFSI S Line, 148 bhp, manual, petrol, saloon, 4 doors, black. Mileage: 61,228 miles. Price: £12,900, reduced by £900 from £13,800 since AskCar first saw it on 9 October 2026, 28 days ago. Fair price: £595 (4%) under the AskCar estimate of £13,495. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 October 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-dfef627300f3
- 2022 Audi A4 2.0 TFSI Black Edition, 147 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 41,920 miles. Price: £19,001, reduced by £699 from £19,700 since AskCar first saw it on 2 October 2026, 35 days ago. Fair price: £872 (4%) under the AskCar estimate of £19,873. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 23 September 2026; ask the dealer for the current MOT. Dealer: Quality Part X Dunstable in Dunstable, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2022-8bc0b22e4382
- 2017 Audi A4 2.0 TDI ultra SE, 148 bhp, manual, diesel, saloon, 4 doors, red. Mileage: 102,354 miles. Price: £7,399, reduced by £500 from £7,899 since AskCar first saw it on 28 May 2026, 162 days ago. Fair price: £339 (4%) under the AskCar estimate of £7,738. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 November 2026. Dealer: Halton Cars in Luton, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-5236a5a9a646
- 2019 Audi A4 2.0 TDI Sport, 187 bhp, automatic, diesel, saloon, 4 doors, red. Mileage: 88,004 miles. Price: £11,150, unchanged since AskCar first saw it on 31 October 2026, 6 days ago. Fair price: £507 (4%) under the AskCar estimate of £11,657. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 September 2027. Dealer: Car Planet Barnet in Barnet, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-e4d6e4107f02
- 2017 Audi A4 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 118,634 miles. Price: £8,300, unchanged since AskCar first saw it on 5 October 2026, 32 days ago. Fair price: £376 (4%) under the AskCar estimate of £8,676. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 September 2027. Dealer: Car Planet Barnet in Barnet, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-e8dbcade141f
- 2016 Audi A4 2.0 TDI ultra SE, 148 bhp, manual, diesel, saloon, 4 doors, silver. Mileage: 62,800 miles. Price: £8,995, unchanged since AskCar first saw it on 30 October 2026, 7 days ago. Fair price: £408 (4%) under the AskCar estimate of £9,402. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 June 2027. Dealer: Auto Options Direct in Maidenhead, 20 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-b44ca109ed5f
- 2018 Audi A4 1.4 TFSI S Line, 148 bhp, manual, petrol, saloon, 4 doors, black. Mileage: 66,601 miles. Price: £10,295, unchanged since AskCar first saw it on 1 November 2026, 5 days ago. Fair price: £433 (4%) under the AskCar estimate of £10,728. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 September 2027. Dealer: S B Car Sales in Sunbury-on-Thames, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-f07a150b5e02
- 2022 Audi A4 2.0 TDI S Line, 160 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 42,736 miles. Price: £18,850, reduced by £350 from £19,200 since AskCar first saw it on 21 October 2026, 16 days ago. Fair price: £740 (3%) under the AskCar estimate of £19,590. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 October 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2022-7c2682ac220f
- 2015 Audi A4 2.0 TFSI SE Technik, 221 bhp, automatic, petrol, saloon, 4 doors, silver. Mileage: 37,000 miles. Price: £10,695, reduced by £2,100 from £12,795 since AskCar first saw it on 28 May 2026, 162 days ago. Fair price: £401 (3%) under the AskCar estimate of £11,096. Euro 6 emissions standard. ULEZ compliant. Dealer: Your Carhouse in Surbiton, 20 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2015-c1345eb4639c
- 2016 Audi A4 2.0 TDI S Line, 187 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 35,965 miles. Price: £14,250, reduced by £800 from £15,050 since AskCar first saw it on 8 September 2026, 59 days ago. Fair price: £532 (3%) under the AskCar estimate of £14,782. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 January 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-78eab6240697
- 2019 Audi A4 2.0 TFSI Sport, 147 bhp, manual, petrol, saloon, 4 doors, black. Mileage: 44,000 miles. Price: £13,299, reduced by £196 from £13,495 since AskCar first saw it on 9 October 2026, 28 days ago. Fair price: £489 (3%) under the AskCar estimate of £13,788. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 April 2027. Dealer: David Ascott Motors in Greenford, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-be43d2ebee2c
- 2016 Audi A4 2.0 TFSI S Line, 187 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 67,993 miles. Price: £10,850, unchanged since AskCar first saw it on 31 October 2026, 6 days ago. Fair price: £399 (3%) under the AskCar estimate of £11,249. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 February 2027. Dealer: Car Planet Barnet in Barnet, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-948eb5406de1
- 2023 Audi A4 2.0 TFSI Black Edition, 201 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 20,635 miles. Price: £23,350, reduced by £800 from £24,150 since AskCar first saw it on 9 October 2026, 28 days ago. Fair price: £856 (3%) under the AskCar estimate of £24,206. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 April 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-1866df8b6649
- 2015 Audi A4 2.0 TFSI S Line, 249 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 48,046 miles. Price: £11,595, reduced by £400 from £11,995 since AskCar first saw it on 4 October 2026, 33 days ago. Fair price: £393 (3%) under the AskCar estimate of £11,988. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 July 2027. Dealer: Your Carhouse in Surbiton, 20 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2015-dc40ecaf9105
- 2019 Audi A4 2.0 TFSI S Line, 187 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 35,624 miles. Price: £16,100, unchanged since AskCar first saw it on 28 October 2026, 9 days ago. Fair price: £541 (3%) under the AskCar estimate of £16,641. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 December 2026. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-33f9c5e93c50
- 2022 Audi A4 2.0 TFSI Black Edition, 201 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 61,713 miles. Price: £18,300, reduced by £700 from £19,000 since AskCar first saw it on 2 October 2026, 35 days ago. Fair price: £602 (3%) under the AskCar estimate of £18,902. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 February 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2022-5ddbe2a63f10
- 2017 Audi A4 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, saloon, 4 doors, silver. Mileage: 100,497 miles. Price: £9,499, unchanged since AskCar first saw it on 14 October 2026, 23 days ago. Fair price: £300 (3%) under the AskCar estimate of £9,799. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 November 2026. Dealer: Halton Cars in Luton, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-993dbf5b6b7e
- 2019 Audi A4 2.0 TDI S Line, automatic, diesel, saloon, 4 doors, black. Mileage: 47,000 miles. Price: £14,995, unchanged since AskCar first saw it on 12 August 2026, 86 days ago. Fair price: £466 (3%) under the AskCar estimate of £15,461. Euro 6 emissions standard. ULEZ compliant. Dealer: Mk Motors Chalfont in Chalfont St Peter, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-d201c9234164
- 2014 Audi A4 2.0, automatic, petrol, estate, white. Mileage: 65,127 miles. Price: £6,999, unchanged since AskCar first saw it on 11 August 2026, 87 days ago. Fair price: £211 (2%) under the AskCar estimate of £7,210. Dealer: Skysun in London, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2014-4fd886eeb7a2
- 2018 Audi A4 2.0 TFSI S Line, 187 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 58,789 miles. Price: £13,495, unchanged since AskCar first saw it on 8 October 2026, 29 days ago. Fair price: £405 (2%) under the AskCar estimate of £13,900. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 July 2027. Dealer: SG Motorhouse in Hoddesdon, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-4a46936ee8df
- 2017 Audi A4 1.4 TFSI Black Edition, 148 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 47,602 miles. Price: £14,000, reduced by £200 from £14,200 since AskCar first saw it on 7 October 2026, 30 days ago. Fair price: £402 (2%) under the AskCar estimate of £14,402. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 August 2027. Dealer: Car Planet Barnet in Barnet, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-874cc6e65b95
- 2015 Audi A4 1.8 TFSI SE Technik, 168 bhp, manual, petrol, saloon, 4 doors, white. Mileage: 87,000 miles. Price: £5,995, unchanged since AskCar first saw it on 18 September 2026, 49 days ago. Fair price: £167 (2%) under the AskCar estimate of £6,162. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 May 2027. Dealer: Houghton Motors in Houghton Regis, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2015-5996554580ea
- 2018 Audi A4 2.0 TFSI S Line, 187 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 46,200 miles. Price: £14,490, reduced by £500 from £14,990 since AskCar first saw it on 23 October 2026, 14 days ago. Fair price: £402 (2%) under the AskCar estimate of £14,892. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 December 2026. Dealer: Pinewood Motors in Abbots Langley, 5 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-558d77fc7652
- 2018 Audi A4 1.4 TFSI Black Edition, 148 bhp, manual, petrol, saloon, 4 doors, black. Mileage: 57,281 miles. Price: £12,490, reduced by £55 from £12,545 since AskCar first saw it on 4 November 2026, 2 days ago. Fair price: £343 (2%) under the AskCar estimate of £12,833. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 June 2027. Dealer: TU Motors in Luton, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-8a4d209b9b25
- 2019 Audi A4 2.0 TFSI Black Edition, 148 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 91,500 miles. Price: £11,895, reduced by £550 from £12,445 since AskCar first saw it on 23 August 2026, 75 days ago. Fair price: £318 (2%) under the AskCar estimate of £12,213. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 6 October 2026; ask the dealer for the current MOT. Dealer: Slough Automatic Motors in Slough, 12 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-0f7a3aa551ff
- 2019 Audi A4 2.0 TFSI S Line, 241 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 38,187 miles. Price: £18,495, reduced by £500 from £18,995 since AskCar first saw it on 22 August 2026, 76 days ago. Fair price: £483 (2%) under the AskCar estimate of £18,978. Euro 6 emissions standard. ULEZ compliant. Dealer: JMS Cars in Staines, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2019-c5cfd928877e
- 2018 Audi A4 1.4 TFSI SE, 148 bhp, manual, petrol, saloon, 4 doors, black. Mileage: 132,500 miles. Price: £5,990, unchanged since AskCar first saw it on 26 October 2026, 11 days ago. Fair price: £147 (2%) under the AskCar estimate of £6,137. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 April 2027. Dealer: Flc in Yiewsley, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-d70ecd4042c0
- 2020 Audi A4 2.0 TFSI S Line, automatic, petrol, saloon, 4 doors, blue. Mileage: 37,750 miles. Price: £17,299, reduced by £700 from £17,999 since AskCar first saw it on 2 October 2026, 35 days ago. Fair price: £419 (2%) under the AskCar estimate of £17,718. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 September 2027. Dealer: Gates Of Woodford in Woodford, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2020-6afc35dac6ba
- 2017 Audi A4 1.4 TFSI Sport, 148 bhp, manual, petrol, saloon, 4 doors, white. Mileage: 91,635 miles. Price: £7,400, unchanged since AskCar first saw it on 29 October 2026, 8 days ago. Fair price: £172 (2%) under the AskCar estimate of £7,572. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 March 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2017-b687b76979dd
- 2016 Audi A4 2.0, automatic, diesel, estate, 5 doors, white. Mileage: 83,000 miles. Price: £9,995, unchanged since AskCar first saw it on 6 November 2026. Fair price: £230 (2%) under the AskCar estimate of £10,225. MOT: valid until 28 October 2027. Dealer: Firstgear Cars in Hoddesdon, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-823cfac3118d
- 2022 Audi A4 2.0 TFSI Black Edition, 201 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 49,676 miles. Price: £19,800, reduced by £80 from £19,880 since AskCar first saw it on 31 October 2026, 6 days ago. Fair price: £450 (2%) under the AskCar estimate of £20,250. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 March 2027. Dealer: Quality Part X Dunstable in Dunstable, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2022-19c0c4191840
- 2023 Audi A4 2.0 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 60,000 miles. Price: £16,500, reduced by £500 from £17,000 since AskCar first saw it on 14 July 2026, 115 days ago. Fair price: £363 (2%) under the AskCar estimate of £16,863. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 June 2027. Dealer: Car Valley in Redbridge, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-d997ace80ca4
- 2023 Audi A4 2.0 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 29,000 miles. Price: £19,570, raised by £230 from £19,340 since AskCar first saw it on 17 September 2026, 50 days ago. Fair price: £391 (1%) under the AskCar estimate of £19,961. Euro 6 emissions standard. ULEZ compliant. Dealer: Wembley Prestige Cars in Watford, 0 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-c64683dd7815
- 2023 Audi A4 2.0 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 80,600 miles. Price: £14,251, reduced by £1,949 from £16,200 since AskCar first saw it on 11 July 2026, 118 days ago. Fair price: £278 (1%) under the AskCar estimate of £14,529. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 June 2027. Dealer: Quality Part X Dunstable in Dunstable, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-bf63b86135ef
- 2023 Audi A4 2.0 TDI S Line, 160 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 31,143 miles. Price: £20,700, unchanged since AskCar first saw it on 28 October 2026, 9 days ago. Fair price: £351 (1%) under the AskCar estimate of £21,051. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 August 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-7c47b978c1ff
- 2022 Audi A4 2.0 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 80,737 miles. Price: £14,000, reduced by £2,000 from £16,000 since AskCar first saw it on 17 July 2026, 112 days ago. Fair price: £230 (1%) under the AskCar estimate of £14,230. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT. Dealer: Quality Part X Dunstable in Dunstable, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2022-03a01b864618
- 2020 Audi A4 2.0 TDI Black Edition, 160 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 68,000 miles. Price: £16,995, unchanged since AskCar first saw it on 16 August 2026, 82 days ago. Fair price: £275 (1%) under the AskCar estimate of £17,270. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 July 2027. Dealer: Heathrow Trade Cars in Southall, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2020-f00015cd9722
- 2024 Audi A4 2.0 TFSI Black Edition, automatic, petrol, saloon, 4 doors, grey. Mileage: 18,151 miles. Price: £24,990, unchanged since AskCar first saw it on 9 October 2026, 28 days ago. Fair price: £355 (1%) under the AskCar estimate of £25,345. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Grimsdyke Sales in Harrow, 4 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2024-f126b1812524
- 2023 Audi A4 2.0 TDI S Line, 160 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 35,261 miles. Price: £20,300, unchanged since AskCar first saw it on 25 October 2026, 12 days ago. Fair price: £282 (1%) under the AskCar estimate of £20,582. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 October 2027. Dealer: Car Planet Barnet in Barnet, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-07788b475282
- 2023 Audi A4 2.0 TDI S Line, 160 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 30,913 miles. Price: £20,800, unchanged since AskCar first saw it on 25 October 2026, 12 days ago. Fair price: £277 (1%) under the AskCar estimate of £21,077. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 September 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-813ebbe3dad4
- 2013 Audi A4 2.0 TDI SE Technik, 141 bhp, manual, diesel, saloon, 4 doors, grey. Mileage: 156,000 miles. Price: £2,995, unchanged since AskCar first saw it on 9 July 2026, 120 days ago. Fair price: £38 (1%) under the AskCar estimate of £3,033. Euro 5 emissions standard. MOT: valid until 22 June 2027. Dealer: AutoMart Car Sales in Sunbury-on-Thames, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2013-321870c0df71
- 2023 Audi A4 2.0 TFSI Black Edition, 201 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 19,704 miles. Price: £24,000, reduced by £1,100 from £25,100 since AskCar first saw it on 2 October 2026, 35 days ago. Fair price: £306 (1%) under the AskCar estimate of £24,306. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 September 2027. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2023-70ac86c72400
- 2016 Audi A4 2.0 TDI S Line, 187 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 74,930 miles. Price: £11,490, reduced by £360 from £11,850 since AskCar first saw it on 16 October 2026, 21 days ago. Fair price: £143 (1%) under the AskCar estimate of £11,633. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 February 2027. Dealer: Stratstone Amersham Audi in Amersham, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2016-50240333c00e
- 2018 Audi A4 2.0 TFSI S Line, 187 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 96,333 miles. Price: £10,499, unchanged since AskCar first saw it on 30 October 2026, 7 days ago. Fair price: £118 (1%) under the AskCar estimate of £10,617. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 June 2027. Dealer: Cars Yard in Harrow, 7 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-4adaa41f08fc
- 2010 Audi A4 1.8 TFSI, 157 bhp, automatic, petrol, silver. Mileage: 60,000 miles. Price: £5,999, unchanged since AskCar first saw it on 25 August 2026, 73 days ago. Fair price: £60 (1%) under the AskCar estimate of £6,059. MOT: valid until 11 March 2027. Dealer: NK Import Cars in Slough, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2010-75974a9a4b37
- 2021 Audi A4 2.0 TDI Sport Edition, 160 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 45,065 miles. Price: £17,999, unchanged since AskCar first saw it on 27 October 2026, 10 days ago. Fair price: £176 (under 1%) under the AskCar estimate of £18,175. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 December 2026. Dealer: David Ascott Motors in Greenford, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2021-efe6796e3c18
- 2018 Audi A4 2.0 TDI Black Edition, 187 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 69,995 miles. Price: £14,949, unchanged since AskCar first saw it on 9 September 2026, 58 days ago. Fair price: £102 (under 1%) under the AskCar estimate of £15,051. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 24 October 2026; ask the dealer for the current MOT. Dealer: Paragon Cars London in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-1312ada97a6f
- 2018 Audi A4 2.0 TFSI S Line, 187 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 89,000 miles. Price: £10,995, reduced by £1,000 from £11,995 since AskCar first saw it on 16 September 2026, 51 days ago. Fair price: £74 (under 1%) under the AskCar estimate of £11,069. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 November 2026. Dealer: Triple A Motoring in Ealing, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-84754cd33cd9
- 2021 Audi A4 2.0 TDI S Line, 160 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 20,800 miles. Price: £20,495, reduced by £1,100 from £21,595 since AskCar first saw it on 28 May 2026, 162 days ago. Fair price: £134 (under 1%) under the AskCar estimate of £20,629. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 December 2026. Dealer: West Motor Company Kingston in New Malden, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/audi-a4-2021-bc15ffab75ee
Audi A4 across the UK by price
- Under £3,000 (29 cars)
- Under £5,000 (96 cars)
- Under £8,000 (295 cars)
- Under £10,000 (450 cars)
- Under £15,000 (809 cars)
- Under £20,000 (1,180 cars)
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