Used diesel Audi A3 for sale near Cardiff
There are 31 used diesel Audi A3 for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 10 November 2026. Typical asking price £10,600 (the median: half cost less, half cost more). The cheapest is £2,995. AskCar lists 6,789 used Audi A3 across the UK, from 2,285 dealerships.
The middle half of the 31 cars are priced between £6,600 and £13,900.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 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
7 of the 31 diesel Audi A3 within 20 miles of Cardiff had their price reduced in the last 14 days to 10 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 6,629 priced Audi A3 adverts on AskCar as of 10 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.
- 2016 Audi A3 1.6 TDI ultra SE Technik, 108 bhp, manual, diesel, hatchback, 5 doors, silver. Mileage: 121,600 miles. Price: £4,699, unchanged since AskCar first saw it on 2 November 2026, 8 days ago. Good value: £681 (12%) under the AskCar estimate of £5,380. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 December 2026. Dealer: Junction 21 Motors in Weston-super-Mare, 15 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2016-ae92ca12ad80
- 2020 Audi A3 2.0 TDI S Line, 148 bhp, manual, diesel, hatchback, 5 doors, white. Mileage: 49,397 miles. Price: £13,890, unchanged since AskCar first saw it on 30 October 2026, 11 days ago. Good value: £1,510 (9%) under the AskCar estimate of £15,400. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 February 2027. Dealer: Days Motorpark Cardiff in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2020-95fc111fac18
- 2023 Audi A3 2.0 TDI Technik, 148 bhp, automatic, diesel, hatchback, 5 doors, black. Mileage: 32,483 miles. Price: £16,990, unchanged since AskCar first saw it on 6 November 2026, 4 days ago. Fair price: £1,275 (6%) under the AskCar estimate of £18,265. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 October 2027. Dealer: Days Motorpark Cardiff in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2023-986c3c8c63e3
- 2016 Audi A3 2.0 TDI S Line, 148 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 78,000 miles. Price: £9,190, reduced by £300 from £9,490 since AskCar first saw it on 24 October 2026, 17 days ago. Fair price: £488 (5%) under the AskCar estimate of £9,678. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 March 2027. Dealer: Motorpod in Newport, 10 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2016-263cd4cb40c5
- 2019 Audi A3 1.6 TDI Black Edition, 114 bhp, manual, diesel, hatchback, 5 doors, white. Mileage: 51,898 miles. Price: £12,900, reduced by £1,400 from £14,300 since AskCar first saw it on 15 September 2026, 56 days ago. Fair price: £664 (4%) under the AskCar estimate of £13,564. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 27 October 2026; ask the dealer for the current MOT. Dealer: Sytner Select Cardiff in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2019-d13a314f1205
- 2023 Audi A3 2.0 TDI Technik, 148 bhp, automatic, diesel, hatchback, 5 doors, grey. Mileage: 30,869 miles. Price: £17,763, unchanged since AskCar first saw it on 4 November 2026, 6 days ago. Fair price: £662 (3%) under the AskCar estimate of £18,425. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 June 2027. Dealer: Carbase Lympsham in Lympsham, 17 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2023-bd0d6e5ce1e0
- 2015 Audi A3 1.6 TDI S Line, 108 bhp, manual, diesel, hatchback, 3 doors, red. Mileage: 101,000 miles. Price: £6,290, reduced by £500 from £6,790 since AskCar first saw it on 5 September 2026, 66 days ago. Fair price: £218 (3%) under the AskCar estimate of £6,508. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 January 2027. Dealer: D B Specialist Cars in Cwmbran, 13 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2015-23b3086183a1
- 2019 Audi A3 1.6 TDI S Line, 114 bhp, automatic, diesel, hatchback, 5 doors, white. Mileage: 41,311 miles. Price: £14,150, reduced by £1,750 from £15,900 since AskCar first saw it on 26 August 2026, 76 days ago. Fair price: £368 (2%) under the AskCar estimate of £14,518. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 February 2027. Dealer: Sytner Select Cardiff in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2019-e9111e80c3e9
- 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, 136 days ago. Fair price: £301 (2%) under the AskCar estimate of £12,096. 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 1.6 TDI SE Technik, 114 bhp, manual, diesel, hatchback, 5 doors, red. Mileage: 70,093 miles. Price: £9,999, reduced by £1,500 from £11,499 since AskCar first saw it on 14 July 2026, 119 days ago. Fair price: £217 (2%) under the AskCar estimate of £10,216. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 May 2027. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2019-0b6cd6b005c3
- 2017 Audi A3 2.0 TDI Black Edition, 181 bhp, automatic, diesel, hatchback, 5 doors, red. Mileage: 130,000 miles. Price: £9,495, reduced by £500 from £9,995 since AskCar first saw it on 28 May 2026, 166 days ago. Fair price: £135 (1%) under the AskCar estimate of £9,630. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 8 September 2026; ask the dealer for the current MOT. Dealer: Prestige Motors Uk in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2017-520c0467fb61
- 2011 Audi A3 2.0 TDI Sport, 138 bhp, manual, diesel, hatchback, 5 doors, grey. Mileage: 111,743 miles. Price: £3,495, unchanged since AskCar first saw it on 4 November 2026, 6 days ago. Fair price: £17 (under 1%) under the AskCar estimate of £3,512. Euro 5 emissions standard. MOT: valid until 12 September 2027. Dealer: Andy Hall Cars in Weston-super-Mare, 13 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2011-84fcba75144f
- 2010 Audi A3 2.0 TDI Sport, automatic, diesel, hatchback, 5 doors, blue. Mileage: 98,133 miles. Price: £3,995, reduced by £1,000 from £4,995 since AskCar first saw it on 19 July 2026, 114 days ago. Fair price: £14 (under 1%) under the AskCar estimate of £4,009. Euro 5 emissions standard. Dealer: Spear Auto Services in Ystrad Mynach, 12 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2010-ebbd4ec8bc0b
- 2015 Audi A3 2.0 TDI S Line, 147 bhp, automatic, diesel, hatchback, 3 doors, grey. Mileage: 59,522 miles. Price: £10,595, unchanged since AskCar first saw it on 31 October 2026, 10 days ago. Fair price: £32 (under 1%) under the AskCar estimate of £10,627. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 January 2027. Dealer: Plan-it Motor Company in Cwmbran, 14 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2015-9a6788e1c71f
- 2015 Audi A3 2.0 TDI S Line, 181 bhp, manual, diesel, hatchback, 5 doors, white. Mileage: 133,645 miles. Price: £5,995, unchanged since AskCar first saw it on 20 October 2026, 21 days ago. Fair price: £74 (1%) over the AskCar estimate of £5,921. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 November 2026. Dealer: RTM Motors Cardiff in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2015-affb28c50bc3
- 2019 Audi A3 1.6 TDI Sport, 114 bhp, manual, diesel, hatchback, 5 doors, white. Mileage: 18,891 miles. Price: £13,999, reduced by £1,500 from £15,499 since AskCar first saw it on 28 May 2026, 166 days ago. Fair price: £211 (1%) over the AskCar estimate of £13,788. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 27 August 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-a3-2019-93565717bddb
- 2015 Audi A3 2.0 TDI S Line, automatic, diesel, hatchback, 5 doors, grey. Mileage: 130,568 miles. Price: £7,045, unchanged since AskCar first saw it on 28 May 2026, 166 days ago. Fair price: £130 (1%) over the AskCar estimate of £6,915. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 6 October 2026; ask the dealer for the current MOT. Dealer: T J Car Sales in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2015-6947ab694cf7
- 2018 Audi A3 2.0 TDI Black Edition, 148 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 83,867 miles. Price: £11,995, unchanged since AskCar first saw it on 5 November 2026, 5 days ago. Fair price: £333 (2%) over the AskCar estimate of £11,662. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 July 2027. Dealer: REO Car Sales in Blaenau Gwent, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2018-afd92a7661a0
- 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, 47 days ago. Fair price: £437 (3%) over the AskCar estimate of £12,563. 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
- 2016 Audi A3 2.0 TDI SE Technik, 148 bhp, manual, diesel, hatchback, 5 doors, white. Mileage: 95,140 miles. Price: £6,991, reduced by £500 from £7,491 since AskCar first saw it on 24 October 2026, 17 days ago. Fair price: £282 (4%) over the AskCar estimate of £6,709. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 October 2027. Dealer: Greenaway Autos in Pontypridd, 9 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2016-c5e99263f35e
- 2025 Audi A3 2.0 TDI Sport, 148 bhp, automatic, diesel, hatchback, 5 doors, red. Mileage: 8,745 miles. Price: £26,985, reduced by £2,756 from £29,741 since AskCar first saw it on 28 May 2026, 166 days ago. Fair price: £1,142 (4%) over the AskCar estimate of £25,843. 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-a3-2025-607163a9cb43
- 2011 Audi A3 2.0 TDI, 138 bhp, manual, diesel, hatchback, 3 doors, white. Mileage: 169,415 miles. Price: £2,995, reduced by £500 from £3,495 since AskCar first saw it on 25 September 2026, 46 days ago. Fair price: £127 (4%) over the AskCar estimate of £2,868. Euro 5 emissions standard. MOT: valid until 18 March 2027. Dealer: Steve Rowlands Car Sales in Ferndale, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2011-49a3b0854fca
- 2016 Audi A3 2.0 TDI S Line, 148 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 70,400 miles. Price: £10,990, unchanged since AskCar first saw it on 20 October 2026, 21 days ago. Fair price: £489 (4%) over the AskCar estimate of £10,501. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 April 2027. Dealer: Auto Venue in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2016-52b37b6ff99f
- 2015 Audi A3 2.0 TDI SE Technik, 147 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 88,600 miles. Price: £6,995, unchanged since AskCar first saw it on 28 October 2026, 13 days ago. Fair price: £351 (5%) over the AskCar estimate of £6,644. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 October 2027. Dealer: Car-O-Fair in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2015-35c6518ea61a
- 2017 Audi A3 2.0 TDI Black Edition, 148 bhp, manual, diesel, hatchback, 5 doors, grey. Mileage: 73,500 miles. Price: £12,490, unchanged since AskCar first saw it on 19 October 2026, 22 days ago. Fair price: £647 (5%) over the AskCar estimate of £11,843. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 March 2027. Dealer: Auto Venue in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2017-5ef438169844
- 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, 6 days ago. Above the going rate: £592 (8%) over the AskCar estimate of £6,903. 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, 166 days ago. Above the going rate: £4,110 (13%) over the AskCar estimate of £29,471. 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
- 2025 Audi A3 2.0 TDI S Line, 148 bhp, automatic, diesel, hatchback, 5 doors, white. Mileage: 10,866 miles. Price: £32,815, unchanged since AskCar first saw it on 28 May 2026, 166 days ago. Above the going rate: £4,704 (16%) over the AskCar estimate of £28,111. 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-b31c0c52f2c4
- 2012 Audi A3 1.6 TDI Sport, 104 bhp, manual, diesel, hatchback, 5 doors, white. Mileage: 120,964 miles. Price: £3,500, unchanged since AskCar first saw it on 31 October 2026, 10 days ago. Above the going rate: £633 (22%) over the AskCar estimate of £2,867. Euro 5 emissions standard. MOT: valid until 28 October 2027. Dealer: Carhub Newport in Newport, 10 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2012-d1f2d6ba5d8b
- 2014 Audi A3 2.0 TDI SE, 148 bhp, manual, diesel, hatchback, 5 doors, grey. Mileage: 122,750 miles. Price: £4,495, unchanged since AskCar first saw it on 28 August 2026, 74 days ago. Fair price: £4 (under 1%) over the AskCar estimate of £4,491. Euro 5 emissions standard. MOT: valid until 8 August 2027. Dealer: Specialist Cars of Bristol in Congresbury, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2014-dd10fd58b832
- 2025 Audi A3 2.0 TDI Black Edition, 148 bhp, automatic, diesel, hatchback, 5 doors, white. Mileage: 11,221 miles. Price: £28,995, unchanged since AskCar first saw it on 7 November 2026, 3 days ago. Fair price: £696 (2%) over the AskCar estimate of £28,299. 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-a3-2025-40c97211b625
Diesel Audi A3 near you
- In England (1,018 cars)
- In Scotland (90 cars)
- In Wales (41 cars)
- In Northern Ireland (85 cars)
- Near Rochdale (159 cars)
- Near Bolton (157 cars)
- Near Manchester (131 cars)
- Near Hale (131 cars)
- Near Wigan (129 cars)
- Near Burnley (117 cars)
- Near Warrington (114 cars)
- Near Glossop (107 cars)
- Near Huddersfield (103 cars)
- Near Blackburn (92 cars)
- Near Macclesfield (88 cars)
- Near Keighley (86 cars)
- Near Bradford (82 cars)
- Near Wakefield (78 cars)
- Near Barnsley (78 cars)
Audi A3 near Cardiff by price
Audi A3 across the UK by price
- Under £2,000 (44 cars)
- Under £3,000 (120 cars)
- Under £5,000 (301 cars)
- Under £8,000 (881 cars)
- Under £10,000 (1,372 cars)
- Under £15,000 (2,466 cars)
- Under £20,000 (4,266 cars)
More near Cardiff
- All used cars and vans near Cardiff
- All diesel cars and vans near Cardiff (4,444 cars and vans)
- Nissan Qashqai (356 cars)
- Ford Transit Custom (332 vans)
- Volkswagen Polo (323 cars)
- Volkswagen Golf (309 cars)
- Ford Fiesta (279 cars)
- Ford Puma (279 cars)
- Ford Kuga (278 cars)
- Vauxhall Corsa (256 cars)
- Kia Sportage (245 cars)
- Nissan Juke (217 cars)
- Ford Focus (212 cars)
- Hyundai TUCSON (185 cars)
More Audi
- All Audi A3 (6,789 cars)
- All Audi cars (39,519 cars)
- Audi A1 (4,936 cars)
- Audi Q3 (3,515 cars)
- Audi Q5 (3,154 cars)
- Audi Q2 (2,824 cars)
- Audi A5 (1,899 cars)
- Audi A4 (1,443 cars)
- Audi Q7 (1,377 cars)
- Audi Q4 e-tron (1,311 cars)
- Audi A4 Avant (1,280 cars)
- Audi TT (1,155 cars)
- Audi S3 (1,019 cars)
- Audi A6 Saloon (902 cars)
- Audi A6 Avant (800 cars)
- Audi RS3 (547 cars)