Used automatic diesel Audi A6 Saloon for sale
There are 526 used automatic diesel Audi A6 Saloon for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £15,400 (the median: half cost less, half cost more). The cheapest is £2,490. AskCar lists 891 used Audi A6 Saloon across the UK, from 649 dealerships.
The middle half of the 526 cars are priced between £10,500 and £19,200.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
What does a used automatic diesel Audi A6 Saloon cost?
The median asking price is £15,400, across the 523 cars for sale with a price. For a 2026 one it is £42,000, for a 2014 one £8,000.
172 of the 526 cars had their price reduced in the last 14 days to 9 November 2026.
Median asking price by year
| Year | For sale with a price | Median asking price | Middle half priced between |
|---|---|---|---|
| 2026 | 23 | £42,000 | £40,000 to £43,500 |
| 2022 | 24 | £24,000 | £22,000 to £25,500 |
| 2021 | 37 | £19,100 | £17,700 to £22,000 |
| 2020 | 48 | £18,000 | £16,800 to £19,500 |
| 2019 | 104 | £16,500 | £15,000 to £18,100 |
| 2018 | 63 | £15,500 | £12,700 to £17,000 |
| 2017 | 47 | £10,700 | £8,900 to £13,000 |
| 2016 | 39 | £10,800 | £9,200 to £12,000 |
| 2015 | 46 | £9,700 | £8,600 to £11,400 |
| 2014 | 22 | £8,000 | £6,100 to £9,200 |
Cars for sale now, page 6 of 6
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 863 priced Audi A6 Saloon adverts on AskCar as of 9 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 and town; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2018 Audi A6 Saloon 2.0 TDI S Line, 201 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 120,515 miles. Price: £12,990, reduced by £1,000 from £13,990 since AskCar first saw it on 20 June 2026, 142 days ago. Above the going rate: £2,003 (18%) over the AskCar estimate of £10,987. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 December 2026. Dealer: Autohaven Motors in High Wycombe. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-2b4b595c442b
- 2026 Audi A6 Saloon 2.0 TDI Launch Edition Plus, 201 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 5,845 miles. Price: £51,000, unchanged since AskCar first saw it on 13 September 2026, 57 days ago. Above the going rate: £8,176 (19%) over the AskCar estimate of £42,824. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Volkswagen (Swansea) in Swansea. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2026-82ab1a2aaf75
- 2019 Audi A6 Saloon 2.0 S Line, automatic, diesel, saloon, 4 doors, black. Mileage: 94,000 miles. Price: £15,985, unchanged since AskCar first saw it on 13 October 2026, 27 days ago. Above the going rate: £2,631 (19%) over the AskCar estimate of £13,354. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 June 2027. Dealer: Brooklands Motor Centre in Leeds. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2019-448e85ca6ac5
- 2012 Audi A6 Saloon 3.0 TDI V6 S Line, 201 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 128,991 miles. Price: £6,750, unchanged since AskCar first saw it on 11 August 2026, 90 days ago. Above the going rate: £1,174 (21%) over the AskCar estimate of £5,576. Euro 5 emissions standard. MOT: valid until 14 July 2027. Dealer: ASM (uk) in Redditch. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2012-c53d7d9d4604
- 2014 Audi A6 Saloon 2.0 TDI ultra, 187 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 79,000 miles. Price: £9,990, reduced by £500 from £10,490 since AskCar first saw it on 20 October 2026, 20 days ago. Above the going rate: £1,835 (22%) over the AskCar estimate of £8,155. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 July 2027. Dealer: Brampton Motor Group in Brampton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2014-6d8b10fa19cb
- 2019 Audi A6 Saloon 2.0 TDI S Line, 201 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 8,300 miles. Price: £29,450. AskCar first saw it on 29 July 2026, 103 days ago. Above the going rate: £5,966 (25%) over the AskCar estimate of £23,484. Euro 6 emissions standard. ULEZ compliant. Dealer: Vinny Donnelly Motors in Warrenpoint. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2019-7bf48a142801
- 2009 Audi A6 Saloon 3.0 TDI SE, 236 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 106,000 miles. Price: £7,157, unchanged since AskCar first saw it on 25 September 2026, 45 days ago. Above the going rate: £1,674 (30%) over the AskCar estimate of £5,483. Euro 5 emissions standard. MOT: the latest record we hold ran out on 6 November 2026; ask the dealer for the current MOT. Dealer: WOO Carz in Southampton. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2009-b667c4e5a542
- 2012 Audi A6 Saloon 3.0 S Line, 241 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 116,400 miles. Price: £9,495, unchanged since AskCar first saw it on 28 May 2026, 165 days ago. Above the going rate: £3,194 (50%) over the AskCar estimate of £6,301. Euro 5 emissions standard. MOT: the latest record we hold ran out on 21 March 2026; ask the dealer for the current MOT. Dealer: Cars4You - Edinburgh West in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2012-937bcb45e1d1
- 2020 Audi A6 Saloon 2.0 TDI Black Edition, 201 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 143,000 miles. Price: £16,995, unchanged since AskCar first saw it on 11 October 2026, 29 days ago. Above the going rate: £5,768 (51%) over the AskCar estimate of £11,227. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 June 2027. Dealer: Vollgas Automotive in Burnley. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-c59b05b55bca
- 2011 Audi A6 Saloon 2.0 TDI SE, 175 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 118,359 miles. Price: £5,995, unchanged since AskCar first saw it on 6 July 2026, 126 days ago. Above the going rate: £2,088 (53%) over the AskCar estimate of £3,907. Euro 5 emissions standard. MOT: the latest record we hold ran out on 13 July 2026; ask the dealer for the current MOT. Dealer: Cattedown Trade Centre in Plymouth. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2011-593e16a92f41
- 2015 Audi A6 Saloon 3.0 TDI V6 S Line, 201 bhp, automatic, diesel, saloon, 4 doors, silver. Mileage: 109,200 miles. Price: £4,995, reduced by £800 from £5,795 since AskCar first saw it on 29 August 2026, 72 days ago. Far below the going rate: £3,746 (42%) under the AskCar estimate of £8,741. Worth asking the dealer why. Euro 5 emissions standard. MOT: valid until 1 July 2027. Dealer: Autolink West Yorkshire in Halifax. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2015-7f5a7c10fdb8
- 2012 Audi A6 Saloon 2.0 TDI SE, 175 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 10,000 miles. Price: £4,900, reduced by £1,000 from £5,900 since AskCar first saw it on 1 June 2026, 161 days ago. Far below the going rate: £2,680 (35%) under the AskCar estimate of £7,580. Worth asking the dealer why. Euro 5 emissions standard. MOT: the latest record we hold ran out on 15 May 2026; ask the dealer for the current MOT. Dealer: North West Autos Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2012-571513a623df
- 2020 Audi A6 Saloon 2.0 TDI Black Edition, 201 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 45,250 miles. Price: £13,745, reduced by £4,250 from £17,995 since AskCar first saw it on 17 July 2026, 115 days ago. Far below the going rate: £7,257 (34%) under the AskCar estimate of £21,002. Worth asking the dealer why. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 May 2027. Dealer: Status Motor Group in Rainham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-e8511ed8edee
- 2014 Audi A6 Saloon 2.0 TDI ultra Black Edition, 187 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 121,700 miles. Price: £4,490, unchanged since AskCar first saw it on 6 August 2026, 95 days ago. Far below the going rate: £2,012 (30%) under the AskCar estimate of £6,502. Worth asking the dealer why. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 June 2027. Dealer: Motomart in Halifax. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2014-572a1456f8bd
- 2021 Audi A6 Saloon 2.0 TDI Black Edition, 201 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 47,069 miles. Price: £22,741, unchanged since AskCar first saw it on 31 October 2026, 9 days ago. Fair price: £617 (2%) over the AskCar estimate of £22,124. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 July 2027. Dealer: Sinclair Volkswagen (Swansea) in Swansea. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-3285db5c903e
- 2016 Audi A6 Saloon 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 89,108 miles. Price: £9,799, unchanged since AskCar first saw it on 5 November 2026, 4 days ago. Fair price: £370 (3%) over the AskCar estimate of £9,429. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 7 January 2027. Dealer: Rcs Car Sales Worcester in Worcester. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2016-39a6762583c5
- 2015 Audi A6 Saloon 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, saloon, 4 doors, silver. Mileage: 114,000 miles. Price: £7,990, unchanged since AskCar first saw it on 31 October 2026, 9 days ago. Fair price: £347 (4%) over the AskCar estimate of £7,643. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 January 2027. Dealer: Rk Motoring in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2015-5e65e8a22493
- 2016 Audi A6 Saloon 2.0 TDI ultra Black Edition, 187 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 91,000 miles. Price: £13,995, unchanged since AskCar first saw it on 25 September 2026, 45 days ago. Above the going rate: £3,025 (27%) over the AskCar estimate of £10,970. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 4 May 2026; ask the dealer for the current MOT. Dealer: Platinum Car Sales in Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2016-ac61df01909d
- Audi A6 Saloon 3.0 SE, automatic, diesel, saloon, 4 doors. Mileage: 95,000 miles. Price: £9,500, unchanged since AskCar first saw it on 11 August 2026, 90 days ago. Dealer: WAZ Cars in Windsor. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-4be461c3579f
- 2015 Audi A6 Saloon 3.0 TDI V6 S Line, 201 bhp, automatic, diesel, saloon, 4 doors, grey. Price: £12,440, unchanged since AskCar first saw it on 8 October 2026, 32 days ago. Euro 5 emissions standard. MOT: valid until 28 September 2027. Dealer: West Brook Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2015-77762db8decf
- Audi A6 Saloon 3.0 Black Edition, 214 bhp, automatic, diesel, saloon, 4 doors. Price: £15,000, unchanged since AskCar first saw it on 29 July 2026, 103 days ago. Euro 6 emissions standard. ULEZ compliant. Dealer: IP Motors Halifax in Halifax. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2158bededd00
- 2020 Audi A6 Saloon 2.0 TDI S Line, 201 bhp, automatic, diesel, saloon, 4 doors, blue. Price: £15,750, reduced by £1,500 from £17,250 since AskCar first saw it on 23 October 2026, 17 days ago. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 January 2027. Dealer: Cobra Cars NI in Lurgan. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-4130ed58966e
- 2023 Audi A6 Saloon 2.0 TDI S Line, 201 bhp, automatic, diesel, saloon, 4 doors, white. Price: £27,895, unchanged since AskCar first saw it on 4 November 2026, 5 days ago. Euro 6 emissions standard. ULEZ compliant. Dealer: Donnelly Group. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-e6bab216be31
- 2014 Audi A6 Saloon 3.0, automatic, diesel, saloon, 4 doors. Mileage: 122,476 miles. Dealer: KCM Autosales in Bournemouth. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2014-b8d5e71eda1c
- 2015 Audi A6 Saloon 2.0 TDI ultra Black Edition, 187 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 91,540 miles. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 June 2027. Dealer: Carmart Motor Company in Nelson. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2015-bf73b6509dce
- 2019 Audi A6 Saloon 2.0 TDI S Line, 201 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 11,460 miles. Euro 6 emissions standard. ULEZ compliant. Dealer: Vinny Donnelly Motors in Warrenpoint. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2019-5953966285e4
Audi A6 Saloon by gearbox, fuel and body
- Manual Audi A6 Saloon (84 cars)
- Petrol Audi A6 Saloon (214 cars)
- Diesel Audi A6 Saloon (613 cars)
- Plug-in hybrid Audi A6 Saloon (49 cars)
Audi A6 Saloon prices by year
- 2026 (74 cars)
- 2024 (31 cars)
- 2023 (61 cars)
- 2022 (68 cars)
- 2021 (76 cars)
- 2020 (59 cars)
- 2019 (116 cars)
- 2018 (80 cars)
- 2017 (60 cars)
- 2016 (63 cars)
- 2015 (64 cars)
- 2014 (43 cars)
- 2013 (31 cars)
Audi A6 Saloon by price
- Under £5,000 (43 cars)
- Under £8,000 (129 cars)
- Under £10,000 (213 cars)
- Under £15,000 (383 cars)
- Under £20,000 (627 cars)
- Under £30,000 (787 cars)
Audi A6 Saloon near you
- In England (726 cars)
- In Scotland (58 cars)
- In Wales (32 cars)
- In Northern Ireland (67 cars)
- Near Bolton (120 cars)
- Near Rochdale (116 cars)
- Near Manchester (102 cars)
- Near Watford (101 cars)
- Near Hale (100 cars)
- Near London (96 cars)
- Near Burnley (95 cars)
- Near Wigan (93 cars)
- Near Barnet (92 cars)
- Near Richmond upon Thames (78 cars)
- Near Warrington (76 cars)
- Near Berkhamsted (76 cars)
- Near Blackburn (75 cars)
- Near Egham (74 cars)
- Near Glossop (74 cars)
More Audi
- All Audi A6 Saloon (891 cars)
- All Audi cars (39,028 cars)
- Audi A3 (6,708 cars)
- Audi A1 (4,828 cars)
- Audi Q3 (3,495 cars)
- Audi Q5 (3,124 cars)
- Audi Q2 (2,745 cars)
- Audi A5 (1,880 cars)
- Audi A4 (1,451 cars)
- Audi Q7 (1,364 cars)
- Audi A4 Avant (1,265 cars)
- Audi Q4 e-tron (1,261 cars)
- Audi TT (1,145 cars)
- Audi S3 (1,024 cars)
- Audi A6 Avant (788 cars)
- Audi RS3 (540 cars)