Used Audi S3 for sale near Cardiff
There are 32 used Audi S3 for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 4 November 2026. Typical asking price £21,500 (the median: half cost less, half cost more). The cheapest is £6,995. AskCar lists 1,033 used Audi S3 across the UK, from 638 dealerships.
The middle half of the 32 cars are priced between £18,000 and £30,500.
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.
Price reductions near Cardiff
14 of the 32 Audi S3 within 20 miles of Cardiff had their price reduced in the last 14 days to 4 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 1,006 priced Audi S3 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.
- 2018 Audi S3 2.0 TFSI Black Edition, 306 bhp, automatic, petrol, hatchback, 5 doors, black. Mileage: 53,493 miles. Price: £18,000, reduced by £2,000 from £20,000 since AskCar first saw it on 28 May 2026, 160 days ago. Good value: £3,109 (14%) under the AskCar estimate of £21,109. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 March 2027. Dealer: Carbase Weston-super-Mare in Weston-super-Mare, 13 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2018-e0c1ba4500ad
- 2014 Audi S3 2.0 TFSI, 296 bhp, automatic, petrol, hatchback, 5 doors, brown. Mileage: 46,751 miles. Price: £13,995, reduced by £500 from £14,495 since AskCar first saw it on 25 September 2026, 40 days ago. Good value: £2,273 (13%) under the AskCar estimate of £16,268. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 April 2027. Dealer: Cardiff Motors in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2014-b1908ed5b41c
- 2016 Audi S3 2.0 TFSI, 296 bhp, automatic, petrol, convertible, 2 doors, 4 seats, white. Mileage: 59,493 miles. Price: £14,999, reduced by £1,000 from £15,999 since AskCar first saw it on 6 August 2026, 90 days ago. Good value: £1,994 (11%) under the AskCar estimate of £16,993. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 May 2027. Dealer: Motorplus South Wales in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2016-16dd98109e31
- 2023 Audi S3 2.0 TFSI Black Edition, 306 bhp, automatic, petrol, hatchback, 5 doors, white. Mileage: 19,952 miles. Price: £30,540, reduced by £2,800 from £33,340 since AskCar first saw it on 21 August 2026, 75 days ago. Fair price: £2,083 (6%) under the AskCar estimate of £32,623. Euro 6 emissions standard. ULEZ compliant. Dealer: Evans Halshaw Ford Cardiff in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2023-5b63bd045020
- 2021 Audi S3 2.0 TFSI, 306 bhp, automatic, petrol, hatchback, 5 doors, black. Mileage: 43,664 miles. Price: £24,991, unchanged since AskCar first saw it on 29 October 2026, 6 days ago. Fair price: £1,548 (5%) under the AskCar estimate of £26,539. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 April 2027. Dealer: Cars of Penarth Road in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2021-279dc888739c
- 2021 Audi S3 2.0 TFSI, 306 bhp, automatic, petrol, hatchback, 5 doors, black. Mileage: 55,477 miles. Price: £23,840, reduced by £1,150 from £24,990 since AskCar first saw it on 4 July 2026, 123 days ago. Fair price: £1,197 (4%) under the AskCar estimate of £25,037. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 June 2027. Dealer: BUY & Go Cars in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2021-654685810464
- 2024 Audi S3 2.0 TFSI Black Edition, 306 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 25,000 miles. Price: £31,995, unchanged since AskCar first saw it on 10 October 2026, 25 days ago. Fair price: £1,475 (4%) under the AskCar estimate of £33,470. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Evolve Motor Company in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2024-05abe50dd55f
- 2020 Audi S3 2.0 TFSI, 306 bhp, automatic, petrol, hatchback, 5 doors, blue. Mileage: 65,783 miles. Price: £21,999, reduced by £3,000 from £24,999 since AskCar first saw it on 28 May 2026, 160 days ago. Fair price: £907 (3%) under the AskCar estimate of £22,906. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 20 October 2026; ask the dealer for the current MOT. Dealer: Motorplus South Wales in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2020-23b2dbb4074c
- 2019 Audi S3 2.0 TFSI Black Edition, 296 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 67,427 miles. Price: £21,570, reduced by £1,720 from £23,290 since AskCar first saw it on 29 June 2026, 128 days ago. Fair price: £876 (3%) under the AskCar estimate of £22,446. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 April 2027. Dealer: BUY & Go Cars in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2019-70160490ada8
- 2017 Audi S3 2.0 TFSI Black Edition, 306 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 60,600 miles. Price: £20,495, unchanged since AskCar first saw it on 30 September 2026, 35 days ago. Fair price: £762 (3%) under the AskCar estimate of £21,257. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 September 2027. Dealer: Evolve Motor Company in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2017-a9c4303f6c85
- 2020 Audi S3 2.0 TFSI Black Edition, 296 bhp, automatic, petrol, hatchback, 5 doors, black. Mileage: 44,000 miles. Price: £22,995, unchanged since AskCar first saw it on 8 October 2026, 27 days ago. Fair price: £712 (3%) under the AskCar estimate of £23,707. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 April 2027. Dealer: Evolve Motor Company in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2020-5eec3cca7596
- 2024 Audi S3 2.0 TFSI Black Edition, automatic, petrol, hatchback, 5 doors, black. Mileage: 24,250 miles. Price: £33,350, reduced by £1,500 from £34,850 since AskCar first saw it on 16 October 2026, 19 days ago. Fair price: £965 (2%) under the AskCar estimate of £34,315. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Mon Motors Cardiff Audi in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2024-7e81a0f07c77
- 2024 Audi S3 2.0 TFSI Black Edition, automatic, petrol, hatchback, 5 doors, grey. Mileage: 8,000 miles. Price: £36,450, reduced by £1,550 from £38,000 since AskCar first saw it on 30 September 2026, 35 days ago. Fair price: £412 (1%) under the AskCar estimate of £36,862. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Mon Motors Cardiff Audi in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2024-1e51db087cb8
- 2019 Audi S3 2.0 TFSI, 296 bhp, automatic, petrol, hatchback, 5 doors, blue. Mileage: 58,000 miles. Price: £19,990, reduced by £2,000 from £21,990 since AskCar first saw it on 28 May 2026, 160 days ago. Fair price: £214 (1%) under the AskCar estimate of £20,204. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 March 2027. Dealer: Your Car Group in Newport, 12 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2019-b6d9ef5c12d7
- 2023 Audi S3 2.0 TFSI, 306 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 14,198 miles. Price: £30,988, reduced by £1,000 from £31,988 since AskCar first saw it on 1 October 2026, 34 days ago. Fair price: £252 (under 1%) under the AskCar estimate of £31,240. Euro 6 emissions standard. ULEZ compliant. Dealer: Jeff White Motors in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2023-c5862f895218
- 2018 Audi S3 2.0 TFSI Black Edition, 306 bhp, automatic, petrol, hatchback, 5 doors, black. Mileage: 82,501 miles. Price: £17,499, reduced by £1,000 from £18,499 since AskCar first saw it on 11 June 2026, 146 days ago. Fair price: £88 (under 1%) under the AskCar estimate of £17,587. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 June 2027. Dealer: Motorplus South Wales in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2018-2b8cef86239c
- 2018 Audi S3 2.0 TFSI Black Edition, 306 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 79,600 miles. Price: £19,495, unchanged since AskCar first saw it on 10 October 2026, 25 days ago. Fair price: £94 (under 1%) under the AskCar estimate of £19,589. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 7 April 2027. Dealer: Evolve Motor Company in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2018-24c50e3fba59
- 2023 Audi S3 2.0 TFSI Vorsprung, 306 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 26,000 miles. Price: £36,995, reduced by £500 from £37,495 since AskCar first saw it on 7 October 2026, 28 days ago. Fair price: £288 (under 1%) over the AskCar estimate of £36,707. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 September 2027. Dealer: Evolve Motor Company in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2023-f7bc83e99156
- 2016 Audi S3 2.0 TFSI, manual, petrol, hatchback, 5 doors, blue. Mileage: 107,000 miles. Price: £10,795, reduced by £700 from £11,495 since AskCar first saw it on 2 October 2026, 33 days ago. Fair price: £130 (1%) over the AskCar estimate of £10,665. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 December 2026. Dealer: Autostrada in Congresbury, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2016-6c71235a3bd0
- 2017 Audi S3 2.0 TFSI Black Edition, 306 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 76,147 miles. Price: £19,395, reduced by £400 from £19,795 since AskCar first saw it on 9 July 2026, 118 days ago. Fair price: £236 (1%) over the AskCar estimate of £19,159. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 22 September 2026; ask the dealer for the current MOT. Dealer: Motoring WAY in Abertillery, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2017-e68ac16f6df4
- 2022 Audi S3 2.0 TFSI, 306 bhp, automatic, petrol, hatchback, 5 doors, grey. Mileage: 34,999 miles. Price: £27,960, reduced by £730 from £28,690 since AskCar first saw it on 19 July 2026, 108 days ago. Fair price: £494 (1%) over the AskCar estimate of £27,466. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 March 2027. Dealer: BUY & Go Cars in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2022-96795f9a8bec
- 2013 Audi S3 2.0 TFSI, 296 bhp, manual, petrol, hatchback, 5 doors, white. Mileage: 72,791 miles. Price: £11,499, reduced by £800 from £12,299 since AskCar first saw it on 25 September 2026, 40 days ago. Fair price: £262 (2%) over the AskCar estimate of £11,237. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 July 2027. Dealer: Carzone UK in Newport, 10 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2013-bb356118a34b
- 2019 Audi S3 2.0 TFSI Black Edition, 296 bhp, automatic, petrol, hatchback, 5 doors, grey. Mileage: 73,000 miles. Price: £19,990, reduced by £2,000 from £21,990 since AskCar first saw it on 28 May 2026, 160 days ago. Fair price: £467 (2%) over the AskCar estimate of £19,523. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 25 October 2026; ask the dealer for the current MOT. Dealer: Your Car Group in Newport, 12 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2019-13273b44a744
- 2016 Audi S3 2.0 TFSI, 306 bhp, automatic, petrol, hatchback, 3 doors, grey. Mileage: 99,753 miles. Price: £13,995, unchanged since AskCar first saw it on 8 October 2026, 27 days ago. Fair price: £335 (2%) over the AskCar estimate of £13,660. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 May 2027. Dealer: Motoring WAY in Abertillery, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2016-8941641f5ce7
- 2017 Audi S3 2.0 TFSI Black Edition, 306 bhp, automatic, petrol, hatchback, 3 doors, black. Mileage: 49,769 miles. Price: £21,390, reduced by £1,500 from £22,890 since AskCar first saw it on 4 October 2026, 31 days ago. Fair price: £558 (2%) over the AskCar estimate of £20,832. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 July 2027. Dealer: dreamspec in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2017-4ce492e5a1bc
- 2019 Audi S3 2.0 TFSI Black Edition, 296 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 62,000 miles. Price: £23,990, unchanged since AskCar first saw it on 1 September 2026, 64 days ago. Fair price: £715 (3%) over the AskCar estimate of £23,275. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 February 2027. Dealer: Your Car Group in Newport, 12 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2019-bc829973cfff
- 2018 Audi S3 2.0 TFSI Black Edition, 306 bhp, automatic, petrol, hatchback, 5 doors, black. Mileage: 89,500 miles. Price: £17,990, unchanged since AskCar first saw it on 30 October 2026, 5 days ago. Fair price: £1,207 (7%) over the AskCar estimate of £16,783. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 October 2027. Dealer: Your Car Group in Newport, 12 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2018-d71c9ba300f2
- 2026 Audi S3 2.0 TFSI Black Edition, automatic, petrol, hatchback, 5 doors, black. Mileage: 8,783 miles. Price: £41,691, unchanged since AskCar first saw it on 8 October 2026, 27 days ago. Fair price: £2,825 (7%) over the AskCar estimate of £38,866. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2026-c4f08126fa1d
- 2023 Audi S3 2.0 TFSI Black Edition, 306 bhp, automatic, petrol, hatchback, 5 doors, white. Mileage: 17,800 miles. Price: £35,590, raised by £599 from £34,991 since AskCar first saw it on 20 September 2026, 45 days ago. Above the going rate: £2,696 (8%) over the AskCar estimate of £32,894. Euro 6 emissions standard. ULEZ compliant. Dealer: Magor Motor Company in Caldicot, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2023-703399a8f478
- 2024 Audi S3 2.0 TFSI Black Edition, automatic, petrol, saloon, 4 doors, blue. Mileage: 10,266 miles. Price: £39,471, reduced by £290 from £39,761 since AskCar first saw it on 5 September 2026, 60 days ago. Above the going rate: £3,941 (11%) over the AskCar estimate of £35,530. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2024-f3f3502b268a
- 2016 Audi S3 2.0 TFSI, 296 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 57,000 miles. Price: £19,990, unchanged since AskCar first saw it on 21 October 2026, 14 days ago. Above the going rate: £2,218 (12%) over the AskCar estimate of £17,772. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 June 2027. Dealer: Your Car Group in Newport, 12 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2016-e7254db5527b
- 2010 Audi S3 2.0 Black Edition, 261 bhp, automatic, petrol, hatchback, 3 doors, white. Mileage: 137,000 miles. Price: £6,995, unchanged since AskCar first saw it on 14 October 2026, 21 days ago. Above the going rate: £890 (14%) over the AskCar estimate of £6,105. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 27 February 2027. Dealer: Vanza in Cardiff, 1 mile from Cardiff. AskCar page: https://askcar.co.uk/car/audi-s3-2010-5a9c50738efc
Audi S3 across the UK by price
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