Used Audi A3 saloon for sale near Cardiff
There are 28 used Audi A3 saloon for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 5 November 2026. Typical asking price £17,700 (the median: half cost less, half cost more). The cheapest is £7,495. AskCar lists 6,826 used Audi A3 across the UK, from 2,317 dealerships.
The middle half of the 28 cars are priced between £15,100 and £28,000.
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 Cardiff
9 of the 28 Audi A3 saloon within 20 miles of Cardiff 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 6,645 priced Audi A3 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.
- 2026 Audi A3 1.5 TFSI Sport, automatic, petrol, saloon, 4 doors, black. Mileage: 3,000 miles. Price: £24,990, reduced by £1,360 from £26,350 since AskCar first saw it on 17 October 2026, 19 days ago. Fair price: £1,887 (7%) under the AskCar estimate of £26,877. 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-a3-2026-b8e8218d9f17
- 2020 Audi A3 1.5 TFSI CoD S Line, 148 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 22,000 miles. Price: £16,990, reduced by £1,000 from £17,990 since AskCar first saw it on 5 September 2026, 61 days ago. Fair price: £1,155 (6%) under the AskCar estimate of £18,145. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 December 2026. Dealer: Swift Cars in Blackwood, 12 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2020-95135ff8fcdb
- 2026 Audi A3 1.5 TFSI S Line, automatic, petrol, saloon, 4 doors, blue. Mileage: 5,375 miles. Price: £27,950, reduced by £1,400 from £29,350 since AskCar first saw it on 8 September 2026, 58 days ago. Fair price: £1,289 (4%) under the AskCar estimate of £29,239. 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-a3-2026-9cb6e99c2645
- 2023 Audi A3 1.0 TFSI Sport, 108 bhp, manual, petrol, saloon, 4 doors, red. Mileage: 42,222 miles. Price: £15,000, reduced by £180 from £15,180 since AskCar first saw it on 28 October 2026, 8 days ago. Fair price: £652 (4%) under the AskCar estimate of £15,652. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 31 March 2027. Dealer: Carbase Lympsham in Lympsham, 17 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d7bcae7d0e6d
- 2021 Audi A3 1.0 TFSI S Line, 108 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 43,783 miles. Price: £16,290, reduced by £500 from £16,790 since AskCar first saw it on 3 September 2026, 63 days ago. Fair price: £704 (4%) under the AskCar estimate of £16,994. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 July 2027. Dealer: Days Motorpark Cardiff in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2021-9f61b144cbb9
- 2026 Audi A3 1.5 TFSI Black Edition, 148 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 5,200 miles. Price: £29,850, unchanged since AskCar first saw it on 30 October 2026, 6 days ago. Fair price: £1,091 (3%) under the AskCar estimate of £30,941. 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-a3-2026-fa2aa4c91e0a
- 2019 Audi A3 1.5 TFSI CoD S Line, 148 bhp, manual, petrol, saloon, 4 doors, grey. Mileage: 34,380 miles. Price: £15,099, reduced by £1,200 from £16,299 since AskCar first saw it on 22 August 2026, 75 days ago. Fair price: £477 (3%) under the AskCar estimate of £15,576. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 August 2027. Dealer: Motorpoint Newport in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2019-072c5eac3fd3
- 2021 Audi A3 1.5 TFSI Sport, 148 bhp, manual, petrol, saloon, 4 doors, blue. Mileage: 8,266 miles. Price: £17,649, unchanged since AskCar first saw it on 3 November 2026, 2 days ago. Fair price: £520 (2%) under the AskCar estimate of £18,169. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 November 2027. Dealer: Motorpoint Newport in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2021-dfc47af7f218
- 2021 Audi A3 1.5 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 39,502 miles. Price: £18,099, reduced by £350 from £18,449 since AskCar first saw it on 9 October 2026, 27 days ago. Fair price: £468 (2%) under the AskCar estimate of £18,567. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 September 2027. Dealer: Motorpoint Newport in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2021-c9ea56239f41
- 2026 Audi A3 1.5 TFSI S Line, automatic, petrol, saloon, 4 doors, blue. Mileage: 2,500 miles. Price: £28,850, unchanged since AskCar first saw it on 4 November 2026, 1 day ago. Fair price: £737 (2%) under the AskCar estimate of £29,587. 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-a3-2026-e37b6a9b6794
- 2017 Audi A3 1.4 TFSI CoD Sport, 148 bhp, manual, petrol, saloon, 4 doors, blue. Mileage: 46,134 miles. Price: £10,675, reduced by £824 from £11,499 since AskCar first saw it on 1 October 2026, 35 days ago. Fair price: £244 (2%) under the AskCar estimate of £10,919. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 July 2027. Dealer: Carpoint UK Motor Company in Newport, 10 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2017-dd025bbeffc3
- 2018 Audi A3 1.6 TDI Sport, manual, diesel, saloon, 4 doors, blue. Mileage: 34,000 miles. Price: £11,795, reduced by £654 from £12,449 since AskCar first saw it on 27 June 2026, 131 days ago. Fair price: £240 (2%) under the AskCar estimate of £12,035. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 February 2027. Dealer: Everycar in Clevedon, 14 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2018-5940ead6573d
- 2019 Audi A3 1.0 TFSI S Line, 114 bhp, automatic, petrol, saloon, 4 doors, red. Mileage: 16,412 miles. Price: £15,980, unchanged since AskCar first saw it on 3 November 2026, 2 days ago. Fair price: £321 (1%) under the AskCar estimate of £16,301. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 August 2027. Dealer: Holders Of Congresbury SEAT in Congresbury, 17 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2019-1a0562175205
- 2023 Audi A3 1.0 TFSI Sport, 108 bhp, automatic, petrol, saloon, 4 doors, silver. Mileage: 36,980 miles. Price: £17,799, reduced by £200 from £17,999 since AskCar first saw it on 18 July 2026, 110 days ago. Fair price: £268 (1%) under the AskCar estimate of £18,067. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 July 2027. Dealer: Motorplus South Wales in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b0b1bd943e6f
- 2019 Audi A3 1.0 TFSI S Line, 114 bhp, manual, petrol, saloon, 4 doors, grey. Mileage: 94,127 miles. Price: £9,399, reduced by £601 from £10,000 since AskCar first saw it on 19 September 2026, 47 days ago. Fair price: £138 (1%) under the AskCar estimate of £9,537. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 September 2027. Dealer: Carpoint UK Motor Company in Newport, 10 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2019-ff90802f56d5
- 2025 Audi A3 1.5 TFSI S Line, automatic, petrol, saloon, 4 doors, white. Mileage: 3,712 miles. Price: £28,088, reduced by £1,880 from £29,968 since AskCar first saw it on 28 May 2026, 161 days ago. Fair price: £94 (under 1%) under the AskCar estimate of £28,182. 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-a3-2025-c4902ab0807e
- 2026 Audi A3 1.5 TFSI Black Edition, 148 bhp, automatic, petrol, saloon, 4 doors, green. Mileage: 2,627 miles. Price: £31,201, unchanged since AskCar first saw it on 21 October 2026, 15 days ago. Fair price: £334 (1%) over the AskCar estimate of £30,867. 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-a3-2026-50a7f2cda09e
- 2026 Audi A3 1.5 TFSI S Line, automatic, petrol, saloon, 4 doors, white. Mileage: 5,945 miles. Price: £29,423, unchanged since AskCar first saw it on 10 October 2026, 26 days ago. Fair price: £329 (1%) over the AskCar estimate of £29,094. 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-a3-2026-6c59377b963b
- 2026 Audi A3 1.5 TFSI S Line, automatic, petrol, saloon, 4 doors, red. Mileage: 4,389 miles. Price: £29,755, unchanged since AskCar first saw it on 10 September 2026, 56 days ago. Fair price: £358 (1%) over the AskCar estimate of £29,397. 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-a3-2026-9f0f673340e8
- 2025 Audi A3 1.5 TFSI Sport, 114 bhp, manual, petrol, saloon, 4 doors, red. Mileage: 7,624 miles. Price: £21,756, unchanged since AskCar first saw it on 7 October 2026, 29 days ago. Fair price: £315 (1%) over the AskCar estimate of £21,441. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Bridgend Ford in Bridgend, 17 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2025-e571fbc0cddc
- 2025 Audi A3 1.5 TFSI S Line, 148 bhp, automatic, petrol, saloon, 4 doors, red. Mileage: 5,266 miles. Price: £27,607, reduced by £2,769 from £30,376 since AskCar first saw it on 28 May 2026, 161 days ago. Fair price: £476 (1%) over the AskCar estimate of £27,131. 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-a3-2025-e955e3ddeaba
- 2022 Audi A3 1.0 TFSI Sport, 108 bhp, manual, petrol, saloon, 4 doors, silver. Mileage: 17,921 miles. Price: £17,072, reduced by £2,463 from £19,535 since AskCar first saw it on 4 June 2026, 154 days ago. Fair price: £304 (1%) over the AskCar estimate of £16,768. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 April 2027. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2022-a614ff9970ea
- 2019 Audi A3 1.6 TDI S Line, 114 bhp, manual, diesel, saloon, 4 doors, grey. Mileage: 50,554 miles. Price: £13,000, reduced by £1,000 from £14,000 since AskCar first saw it on 24 September 2026, 42 days ago. Fair price: £332 (2%) over the AskCar estimate of £12,668. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 September 2027. Dealer: Carpoint UK Motor Company in Newport, 10 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2019-f39d75c04e4f
- 2021 Audi A3 1.0 TFSI S Line, 108 bhp, manual, petrol, saloon, 4 doors, grey. Mileage: 53,000 miles. Price: £15,290, reduced by £1,200 from £16,490 since AskCar first saw it on 28 May 2026, 161 days ago. Fair price: £406 (2%) over the AskCar estimate of £14,884. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 June 2027. Dealer: Auto Unit in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2021-d9c459b21f3c
- 2017 Audi A3 1.5 TFSI CoD Sport, 148 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 110,422 miles. Price: £7,995, reduced by £500 from £8,495 since AskCar first saw it on 18 October 2026, 18 days ago. Fair price: £234 (3%) over the AskCar estimate of £7,761. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 December 2026. Dealer: Motoring WAY in Abertillery, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2017-555785b91b4f
- 2023 Audi A3 1.5 TFSI S Line, 148 bhp, manual, petrol, saloon, 4 doors, white. Mileage: 9,191 miles. Price: £22,710, unchanged since AskCar first saw it on 3 October 2026, 33 days ago. Fair price: £1,449 (6%) over the AskCar estimate of £21,261. Euro 6 emissions standard. ULEZ compliant. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2023-05485ea24bf2
- 2016 Audi A3 1.6 TDI Sport, 108 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 123,178 miles. Price: £7,495, unchanged since AskCar first saw it on 4 November 2026, 1 day ago. Fair price: £492 (7%) over the AskCar estimate of £7,003. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 January 2027. Dealer: RTM Motors Cardiff in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2016-3c84002de194
- 2025 Audi A3 2.0 TDI Black Edition, 148 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 11,500 miles. Price: £33,581, reduced by £2,489 from £36,070 since AskCar first saw it on 28 May 2026, 161 days ago. Above the going rate: £3,969 (13%) over the AskCar estimate of £29,612. 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-a3-2025-8cc92c277c79
Audi A3 saloon near you
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Audi A3 near Cardiff by price
Audi A3 across the UK by price
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