Used diesel Audi A3 for sale near Buckingham
There are 30 used diesel Audi A3 for sale from UK dealers within 20 miles of Buckingham on AskCar, as of 9 November 2026. Typical asking price £9,500 (the median: half cost less, half cost more). The cheapest is £1,695. AskCar lists 6,708 used Audi A3 across the UK, from 2,266 dealerships.
The middle half of the 30 cars are priced between £5,800 and £16,700.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Buckingham
11 of the 30 diesel Audi A3 within 20 miles of Buckingham had their price reduced in the last 14 days to 9 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 6,554 priced Audi A3 adverts on AskCar as of 9 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.
- 2012 Audi A3 1.6 TDI Sport, 103 bhp, manual, diesel, hatchback, 5 doors, grey. Mileage: 165,000 miles. Price: £1,695, unchanged since AskCar first saw it on 8 November 2026, 1 day ago. Good value: £517 (23%) under the AskCar estimate of £2,212. Euro 5 emissions standard. MOT: valid until 8 December 2026. Dealer: Norton Automotive in Aylesbury, 17 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2012-a7062f8a4cc8
- 2016 Audi A3 1.6 TDI Sport, 108 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 125,000 miles. Price: £5,999, unchanged since AskCar first saw it on 23 October 2026, 17 days ago. Good value: £905 (13%) under the AskCar estimate of £6,904. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 May 2027. Dealer: Mhc Cars in Newton Purcell, 5 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2016-b39db270632b
- 2016 Audi A3 1.6 TDI S Line, 108 bhp, manual, diesel, hatchback, 5 doors, red. Mileage: 99,078 miles. Price: £7,290, unchanged since AskCar first saw it on 31 October 2026, 9 days ago. Good value: £946 (11%) under the AskCar estimate of £8,236. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 February 2027. Dealer: Spartan Car and Commercials in Northampton, 17 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2016-1acbc3c56156
- 2014 Audi A3 1.6 TDI Sport, 108 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 125,439 miles. Price: £3,999, unchanged since AskCar first saw it on 27 October 2026, 13 days ago. Good value: £448 (10%) under the AskCar estimate of £4,447. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 May 2027. Dealer: G1 Car Supermarket in Leighton Buzzard, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2014-240f7b1c96aa
- 2015 Audi A3 1.6 TDI Sport, 108 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 107,970 miles. Price: £4,950, unchanged since AskCar first saw it on 23 October 2026, 17 days ago. Good value: £535 (9%) under the AskCar estimate of £5,485. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 26 October 2026; ask the dealer for the current MOT. Dealer: Auto Pulse in Milton Keynes, 7 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2015-bc5a986d7ff0
- 2014 Audi A3 2.0 TDI S Line, 148 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 84,550 miles. Price: £7,299, reduced by £900 from £8,199 since AskCar first saw it on 28 May 2026, 165 days ago. Fair price: £545 (6%) under the AskCar estimate of £7,844. Euro 5 emissions standard. MOT: the latest record we hold ran out on 17 April 2026; ask the dealer for the current MOT. Dealer: Grovebury Automotive in Leighton Buzzard, 15 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2014-f801d1af1da4
- 2010 Audi A3 2.0 TDI S Line, manual, diesel, hatchback, 5 doors, black. Mileage: 149,255 miles. Price: £2,419, unchanged since AskCar first saw it on 6 August 2026, 95 days ago. Fair price: £178 (6%) under the AskCar estimate of £2,597. Euro 5 emissions standard. MOT: the latest record we hold ran out on 22 October 2026; ask the dealer for the current MOT. Dealer: BINCA in Milton Keynes, 7 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2010-d8595245b297
- 2022 Audi A3 2.0 TDI S Line, automatic, diesel, hatchback, 5 doors, red. Mileage: 44,772 miles. Price: £18,495, reduced by £300 from £18,795 since AskCar first saw it on 17 October 2026, 23 days ago. Fair price: £1,264 (6%) under the AskCar estimate of £19,759. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 October 2027. Dealer: Invicta Northampton in Northampton, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2022-546bd0561fb9
- 2017 Audi A3 2.0 TDI SE Technik, 148 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 81,370 miles. Price: £7,490, unchanged since AskCar first saw it on 16 October 2026, 24 days ago. Fair price: £503 (6%) under the AskCar estimate of £7,993. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 December 2026. Dealer: MK Auto-Motors in Milton Keynes, 11 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2017-4f4a379f80df
- 2014 Audi A3 2.0 TDI S Line, 148 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 128,800 miles. Price: £5,495, unchanged since AskCar first saw it on 15 October 2026, 25 days ago. Fair price: £317 (5%) under the AskCar estimate of £5,812. Euro 5 emissions standard. MOT: the latest record we hold ran out on 5 November 2026; ask the dealer for the current MOT. Dealer: Auto Pulse in Milton Keynes, 7 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2014-b1a0af492fd6
- 2023 Audi A3 2.0 TDI Edition 1, 148 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 32,442 miles. Price: £22,995, reduced by £2,000 from £24,995 since AskCar first saw it on 26 September 2026, 44 days ago. Fair price: £790 (3%) under the AskCar estimate of £23,785. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 March 2027. Dealer: Crystal Motor Company in Northampton, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5c1a02d69187
- 2016 Audi A3 2.0 TDI Sport, 148 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 131,590 miles. Price: £5,750, reduced by £740 from £6,490 since AskCar first saw it on 3 October 2026, 37 days ago. Fair price: £184 (3%) under the AskCar estimate of £5,934. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 December 2026. Dealer: Woburn Cars in Milton Keynes, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2016-2f9290607d98
- 2017 Audi A3 2.0 TDI Sport, 148 bhp, automatic, diesel, hatchback, 5 doors, white. Mileage: 113,376 miles. Price: £7,495, unchanged since AskCar first saw it on 1 November 2026, 8 days ago. Fair price: £221 (2%) under the AskCar estimate of £7,716. Euro 6 emissions standard. ULEZ compliant. Dealer: Hampton Car Sales in Northampton, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2017-3319e48cd7b5
- 2019 Audi A3 1.6 TDI SE Technik, 114 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 70,880 miles. Price: £9,990, reduced by £300 from £10,290 since AskCar first saw it on 9 October 2026, 31 days ago. Fair price: £284 (2%) under the AskCar estimate of £10,274. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 June 2027. Dealer: Kennington Car Sales in Bletchley, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2019-d949984db04c
- 2024 Audi A3 2.0 TDI S Line, 148 bhp, automatic, diesel, hatchback, 5 doors, blue. Mileage: 32,169 miles. Price: £22,490, reduced by £300 from £22,790 since AskCar first saw it on 21 October 2026, 19 days ago. Fair price: £630 (2%) under the AskCar estimate of £23,120. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone Milton Keynes Audi in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2024-a77b588c45e9
- 2022 Audi A3 2.0 TDI Edition 1, 148 bhp, automatic, diesel, hatchback, 5 doors, grey. Mileage: 33,703 miles. Price: £21,900, reduced by £600 from £22,500 since AskCar first saw it on 16 September 2026, 54 days ago. Fair price: £404 (1%) under the AskCar estimate of £22,304. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 September 2027. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2022-a98b46a8fc9c
- 2017 Audi A3 2.0 TDI SE Technik, 148 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 62,787 miles. Price: £8,999, unchanged since AskCar first saw it on 12 September 2026, 58 days ago. Fair price: £126 (1%) under the AskCar estimate of £9,125. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 21 September 2026; ask the dealer for the current MOT. Dealer: Kennington Car Sales in Bletchley, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2017-7b161a9a5d0e
- 2020 Audi A3 2.0 TDI S Line, 148 bhp, automatic, diesel, hatchback, 5 doors, black. Mileage: 50,392 miles. Price: £17,300, reduced by £200 from £17,500 since AskCar first saw it on 9 October 2026, 31 days ago. Fair price: £177 (1%) under the AskCar estimate of £17,477. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 23 September 2026; ask the dealer for the current MOT. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-a0b4f5f99f2f
- 2024 Audi A3 2.0 TDI S Line, 148 bhp, automatic, diesel, hatchback, 5 doors, grey. Mileage: 20,162 miles. Price: £24,290, reduced by £200 from £24,490 since AskCar first saw it on 30 September 2026, 40 days ago. Fair price: £104 (under 1%) under the AskCar estimate of £24,394. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone Milton Keynes Audi in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2024-99c6def347c5
- 2014 Audi A3 2.0 TDI Sport, 148 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 95,000 miles. Price: £5,750, unchanged since AskCar first saw it on 14 August 2026, 87 days ago. Fair price: £2 (under 1%) under the AskCar estimate of £5,752. Euro 5 emissions standard. MOT: valid until 28 July 2027. Dealer: Aurelian Motor Group in Milton Keynes, 13 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2014-605edda05515
- 2017 Audi A3 1.6 TDI Sport, automatic, diesel, saloon, 4 doors, blue. Mileage: 64,821 miles. Price: £10,490, unchanged since AskCar first saw it on 3 October 2026, 37 days ago. Fair price: £38 (under 1%) over the AskCar estimate of £10,452. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 3 October 2026; ask the dealer for the current MOT. Dealer: Kennington Car Sales in Bletchley, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2017-ae4c970ac018
- 2018 Audi A3 1.6 TDI S Line, 114 bhp, automatic, diesel, hatchback, 5 doors, grey. Mileage: 32,212 miles. Price: £14,790, reduced by £2,000 from £16,790 since AskCar first saw it on 28 May 2026, 165 days ago. Fair price: £143 (under 1%) over the AskCar estimate of £14,647. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 April 2027. Dealer: Stratstone Milton Keynes Audi in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2018-1345384963bb
- 2016 Audi A3 2.0 TDI Sport, 148 bhp, automatic, diesel, hatchback, 5 doors, grey. Mileage: 72,824 miles. Price: £9,290, unchanged since AskCar first saw it on 4 October 2026, 36 days ago. Fair price: £92 (1%) over the AskCar estimate of £9,198. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT. Dealer: Kennington Car Sales in Bletchley, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2016-b83398da76c6
- 2018 Audi A3 2.0 TDI Black Edition, 148 bhp, automatic, diesel, hatchback, 3 doors, black. Mileage: 73,171 miles. Price: £13,290, reduced by £160 from £13,450 since AskCar first saw it on 23 October 2026, 17 days ago. Fair price: £166 (1%) over the AskCar estimate of £13,124. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 February 2027. Dealer: Stratstone Milton Keynes Audi in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2018-3d4ea98cec31
- 2024 Audi A3 2.0 TDI S Line, 148 bhp, automatic, diesel, hatchback, 5 doors, black. Mileage: 17,528 miles. Price: £24,990, reduced by £300 from £25,290 since AskCar first saw it on 29 September 2026, 41 days ago. Fair price: £321 (1%) over the AskCar estimate of £24,669. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone Milton Keynes Audi in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2024-489c8a8ebb68
- 2023 Audi A3 2.0 TDI Sport, 148 bhp, automatic, diesel, hatchback, 5 doors, grey. Mileage: 61,515 miles. Price: £17,595, reduced by £400 from £17,995 since AskCar first saw it on 22 September 2026, 48 days ago. Fair price: £424 (2%) over the AskCar estimate of £17,171. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 September 2027. Dealer: Tyrrell Automotive in Buckingham, 1 mile from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6d6eb9501970
- 2016 Audi A3 2.0 TDI Sport, 181 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 59,084 miles. Price: £12,331, reduced by £460 from £12,791 since AskCar first saw it on 8 October 2026, 32 days ago. Fair price: £343 (2%) over the AskCar estimate of £11,988. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 April 2027. Dealer: House of Brage in Oxford, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2016-58c5d78a2948
- 2020 Audi A3 2.0 TDI S Line, 148 bhp, automatic, diesel, hatchback, 5 doors, black. Mileage: 88,430 miles. Price: £14,300, unchanged since AskCar first saw it on 18 October 2026, 22 days ago. Fair price: £748 (5%) over the AskCar estimate of £13,552. Euro 6 emissions standard. ULEZ compliant. Dealer: R 8 Motor Group in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-17b66140c527
- 2014 Audi A3 2.0 TDI, manual, diesel, hatchback, 3 doors, white. Mileage: 35,824 miles. Price: £9,750, reduced by £200 from £9,950 since AskCar first saw it on 23 October 2026, 17 days ago. Above the going rate: £1,097 (12%) over the AskCar estimate of £8,653. Dealer: Listers Honda Northampton in Northampton, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2014-9589600f198c
- 2013 Audi A3 1.6 TDI, 104 bhp, manual, diesel, hatchback, 5 doors, black. Mileage: 10,000 miles. Price: £2,995, unchanged since AskCar first saw it on 28 October 2026, 12 days ago. Far below the going rate: £4,666 (60%) under the AskCar estimate of £7,661. Worth asking the dealer why. Euro 5 emissions standard. MOT: valid until 19 May 2027. Dealer: Northampton Car Company in Northampton, 15 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a3-2013-c00f31ad82be
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Audi A3 near Buckingham by price
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