Used Audi S5 for sale in Wales
There are 8 used Audi S5 for sale from UK dealers in Wales on AskCar, as of 6 November 2026. The cheapest is £7,995. AskCar lists 371 used Audi S5 across the UK, from 297 dealerships.
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 in Wales
4 of the 8 Audi S5 in Wales had their price reduced in the last 14 days to 6 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 361 priced Audi S5 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 and town; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2018 Audi S5 3.0 TFSI V6, 349 bhp, automatic, petrol, coupe, 2 doors, 4 seats, grey. Mileage: 79,000 miles. Price: £16,999, unchanged since AskCar first saw it on 23 June 2026, 136 days ago. Good value: £2,362 (12%) under the AskCar estimate of £19,361. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 June 2027. Dealer: Fabian Motor Company in Swansea. AskCar page: https://askcar.co.uk/car/audi-s5-2018-fbe037c27c73
- 2017 Audi S5 3.0 TFSI V6, 349 bhp, automatic, petrol, hatchback, 5 doors, 4 seats, blue. Mileage: 73,000 miles. Price: £18,995, unchanged since AskCar first saw it on 25 September 2026, 42 days ago. Fair price: £592 (3%) under the AskCar estimate of £19,587. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 July 2027. Dealer: Rev It Up UK in Denbigh. AskCar page: https://askcar.co.uk/car/audi-s5-2017-a2b4bf455bce
- 2017 Audi S5 3.0 TFSI V6, 349 bhp, automatic, petrol, hatchback, 5 doors, 4 seats, white. Mileage: 57,157 miles. Price: £21,780, reduced by £1,610 from £23,390 since AskCar first saw it on 2 July 2026, 127 days ago. Fair price: £80 (under 1%) under the AskCar estimate of £21,860. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 22 July 2026; ask the dealer for the current MOT. Dealer: BUY & Go Cars in Cardiff. AskCar page: https://askcar.co.uk/car/audi-s5-2017-ad67c70c9ea2
- 2018 Audi S5 3.0 TFSI V6, 349 bhp, automatic, petrol, coupe, 2 doors, 4 seats, black. Mileage: 96,999 miles. Price: £16,991, reduced by £300 from £17,291 since AskCar first saw it on 15 September 2026, 52 days ago. Fair price: £3 (under 1%) under the AskCar estimate of £16,994. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 November 2026. Dealer: Greenaway Autos in Pontypridd. AskCar page: https://askcar.co.uk/car/audi-s5-2018-e3fd539c1cbb
- 2017 Audi S5 3.0 TFSI V6, 349 bhp, automatic, petrol, hatchback, 5 doors, 4 seats, black. Mileage: 42,239 miles. Price: £23,790, reduced by £600 from £24,390 since AskCar first saw it on 6 August 2026, 92 days ago. Fair price: £65 (under 1%) over the AskCar estimate of £23,725. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 August 2027. Dealer: BUY & Go Cars in Cardiff. AskCar page: https://askcar.co.uk/car/audi-s5-2017-9807b04e4869
- 2026 Audi S5 3.0 TFSI Black Edition, 362 bhp, automatic, petrol, hatchback, 5 doors, black. Mileage: 5,000 miles. Price: £53,450, reduced by £2,200 from £55,650 since AskCar first saw it on 18 October 2026, 19 days ago. Fair price: £2,710 (5%) over the AskCar estimate of £50,740. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Mon Motors Cardiff Audi in Cardiff. AskCar page: https://askcar.co.uk/car/audi-s5-2026-85c5a8b5c10e
- 2010 Audi S5 3.0 TFSI V6, 328 bhp, automatic, petrol, convertible, 2 doors, 4 seats, blue. Mileage: 98,000 miles. Price: £7,995, unchanged since AskCar first saw it on 25 September 2026, 42 days ago. Fair price: £592 (8%) over the AskCar estimate of £7,403. Euro 5 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 31 March 2026; ask the dealer for the current MOT. Dealer: Ammanford Motor Company in Ammanford. AskCar page: https://askcar.co.uk/car/audi-s5-2010-d3473485607a
- 2011 Audi S5 3.0 TFSI V6, 328 bhp, automatic, petrol, convertible, 2 doors, 4 seats, white. Mileage: 38,892 miles. Price: £11,990, unchanged since AskCar first saw it on 13 October 2026, 24 days ago. Above the going rate: £1,946 (19%) over the AskCar estimate of £10,044. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 11 February 2027. Dealer: Gerry Hill Car Sales in Aberdare. AskCar page: https://askcar.co.uk/car/audi-s5-2011-cab70f141288
Audi S5 across the UK by price
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