Used Audi S4 for sale near Barnet
There are 8 used Audi S4 for sale from UK dealers within 20 miles of Barnet on AskCar, as of 4 November 2026. The cheapest is £6,990. AskCar lists 93 used Audi S4 across the UK, from 81 dealerships.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Cars for sale now
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 91 priced Audi S4 adverts on AskCar as of 4 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.
- 2017 Audi S4 3.0 TFSI V6, 349 bhp, automatic, petrol, saloon, 4 doors, red. Mileage: 38,000 miles. Price: £20,989, unchanged since AskCar first saw it on 31 October 2026, 4 days ago. Fair price: £1,433 (6%) under the AskCar estimate of £22,422. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 November 2026. Dealer: Bluehawk Automotive in Hounslow, 14 miles from Barnet. AskCar page: https://askcar.co.uk/car/audi-s4-2017-f5606f0f5f1e
- 2015 Audi S4 3.0 TFSI V6, 328 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 63,500 miles. Price: £14,995, reduced by £500 from £15,495 since AskCar first saw it on 10 June 2026, 147 days ago. Fair price: £863 (5%) under the AskCar estimate of £15,858. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 9 June 2027. Dealer: Revised Car Company in Hoddesdon, 11 miles from Barnet. AskCar page: https://askcar.co.uk/car/audi-s4-2015-813172ee2305
- 2013 Audi S4 3.0 TFSI V6, 328 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 68,900 miles. Price: £11,990, reduced by £2,000 from £13,990 since AskCar first saw it on 12 September 2026, 53 days ago. Fair price: £636 (5%) under the AskCar estimate of £12,626. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 4 August 2027. Dealer: Lectus Cars in Broxbourne, 11 miles from Barnet. AskCar page: https://askcar.co.uk/car/audi-s4-2013-0ebf06ff18a6
- 2015 Audi S4 3.0 TFSI V6, 328 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 88,606 miles. Price: £12,995, unchanged since AskCar first saw it on 6 August 2026, 90 days ago. Fair price: £296 (2%) under the AskCar estimate of £13,291. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 14 March 2027. Dealer: MK Motors in London, 12 miles from Barnet. AskCar page: https://askcar.co.uk/car/audi-s4-2015-2b8a3cc28d38
- 2018 Audi S4 3.0 TFSI V6, 349 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 56,000 miles. Price: £20,489, unchanged since AskCar first saw it on 27 October 2026, 8 days ago. Fair price: £254 (1%) over the AskCar estimate of £20,235. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 August 2027. Dealer: Bluehawk Automotive in Hounslow, 14 miles from Barnet. AskCar page: https://askcar.co.uk/car/audi-s4-2018-59b18da364ee
- 2017 Audi S4 3.0 TFSI V6, 349 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 76,500 miles. Price: £19,449, reduced by £500 from £19,949 since AskCar first saw it on 15 June 2026, 142 days ago. Above the going rate: £1,674 (9%) over the AskCar estimate of £17,775. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 29 July 2026; ask the dealer for the current MOT. Dealer: Paragon Cars London in Watford, 9 miles from Barnet. AskCar page: https://askcar.co.uk/car/audi-s4-2017-b4690efc1fe9
- 2010 Audi S4 3.0 TFSI V6, 328 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 145,453 miles. Price: £6,990, reduced by £1,000 from £7,990 since AskCar first saw it on 28 May 2026, 160 days ago. Above the going rate: £635 (9%) over the AskCar estimate of £6,355. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 23 April 2027. Dealer: HMC in Chesham, 18 miles from Barnet. AskCar page: https://askcar.co.uk/car/audi-s4-2010-e531f916be2c
- 1999 Audi S4 2.7, 265 bhp, manual, petrol, saloon, 4 doors, blue. Mileage: 129,000 miles. Price: £12,989, unchanged since AskCar first saw it on 12 October 2026, 23 days ago. Above the going rate: £6,224 (92%) over the AskCar estimate of £6,765. Euro 3 emissions standard. MOT: valid until 26 January 2027. Dealer: Emaari Automotive in Croydon, 18 miles from Barnet. AskCar page: https://askcar.co.uk/car/audi-s4-1999-49723bba92e0
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