Used Audi S4 for sale near Belfast
There are 4 used Audi S4 for sale from UK dealers within 20 miles of Belfast on AskCar, as of 5 November 2026. The cheapest is £17,299. AskCar lists 95 used Audi S4 across the UK, from 83 dealerships.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Belfast
2 of the 4 Audi S4 within 20 miles of Belfast had their price reduced in the last 14 days to 5 November 2026. Each one's line in the list below says by how much.
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 92 priced Audi S4 adverts on AskCar as of 5 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, grey. Mileage: 55,950 miles. Price: £18,990, unchanged since AskCar first saw it on 28 September 2026, 38 days ago. Fair price: £1,392 (6%) under the AskCar estimate of £20,382. Euro 6 emissions standard. ULEZ compliant. Dealer: Morgan Cars and Commercials in Ballyclare, 11 miles from Belfast. AskCar page: https://askcar.co.uk/car/audi-s4-2017-c18363b5bf1e
- 2018 Audi S4 3.0, 349 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 74,911 miles. Price: £17,299, reduced by £200 from £17,499 since AskCar first saw it on 21 October 2026, 15 days ago. Fair price: £1,151 (6%) under the AskCar estimate of £18,450. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 March 2027. Dealer: Lookers in Newtownabbey, 6 miles from Belfast. AskCar page: https://askcar.co.uk/car/audi-s4-2018-35e3ba109f1c
- 2019 Audi S4 3.0 TFSI V6, 349 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 56,000 miles. Price: £21,745, unchanged since AskCar first saw it on 28 September 2026, 38 days ago. Fair price: £1,231 (5%) under the AskCar estimate of £22,976. Euro 6 emissions standard. ULEZ compliant. Dealer: Morgan Cars and Commercials in Ballyclare, 11 miles from Belfast. AskCar page: https://askcar.co.uk/car/audi-s4-2019-0eac1c697877
- 2021 Audi S4 3.0 TDI V6 Black Edition, 336 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 53,000 miles. Price: £28,450, reduced by £1,000 from £29,450 since AskCar first saw it on 20 September 2026, 46 days ago. Fair price: £296 (1%) over the AskCar estimate of £28,154. Euro 6 emissions standard. ULEZ compliant. Dealer: JGM Group in Belfast, 6 miles from Belfast. AskCar page: https://askcar.co.uk/car/audi-s4-2021-e338a8039831
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