Used Audi A6 Saloon for sale near Buckingham
There are 15 used Audi A6 Saloon for sale from UK dealers within 20 miles of Buckingham on AskCar, as of 5 November 2026. Typical asking price £17,600 (the median: half cost less, half cost more). The cheapest is £3,750. AskCar lists 902 used Audi A6 Saloon across the UK, from 660 dealerships.
The middle half of the 15 cars are priced between £14,300 and £27,500.
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 Buckingham
7 of the 15 Audi A6 Saloon within 20 miles of Buckingham 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 871 priced Audi A6 Saloon 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.
- 2013 Audi A6 Saloon 2.0 TDI S Line, 175 bhp, manual, diesel, saloon, 4 doors, white. Mileage: 136,710 miles. Price: £3,750, reduced by £249 from £3,999 since AskCar first saw it on 1 October 2026, 35 days ago. Good value: £563 (13%) under the AskCar estimate of £4,313. Euro 5 emissions standard. MOT: valid until 26 January 2027. Dealer: G1 Car Supermarket in Leighton Buzzard, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2013-69860aae797c
- 2025 Audi A6 Saloon 2.0 TFSI S Line, 201 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 16,673 miles. Price: £27,490, unchanged since AskCar first saw it on 1 October 2026, 35 days ago. Good value: £2,970 (9%) under the AskCar estimate of £30,460. 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-a6-saloon-2025-cf46a23a47c2
- 2023 Audi A6 Saloon 2.0 TFSIe Sport, 295 bhp, automatic, plug-in hybrid (petrol), saloon, 4 doors, black. Mileage: 13,837 miles. Price: £22,683, reduced by £1,374 from £24,057 since AskCar first saw it on 19 August 2026, 78 days ago. Good value: £2,114 (8%) under the AskCar estimate of £24,797. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 August 2027. Dealer: Carsa Towcester in Towcester, 10 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-67e46062da6a
- 2020 Audi A6 Saloon 2.0 TFSI Black Edition, 242 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 67,252 miles. Price: £17,984, unchanged since AskCar first saw it on 28 October 2026, 8 days ago. Good value: £1,615 (8%) under the AskCar estimate of £19,599. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 January 2027. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes, 11 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2020-da1081408117
- 2019 Audi A6 Saloon 2.0 TDI S Line, 201 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 62,414 miles. Price: £16,790, reduced by £500 from £17,290 since AskCar first saw it on 10 September 2026, 56 days ago. Fair price: £1,126 (6%) under the AskCar estimate of £17,916. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 July 2027. Dealer: Kennington Car Sales in Bletchley, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2019-ed193246ad53
- 2022 Audi A6 Saloon 2.0 TFSI Sport, 201 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 37,966 miles. Price: £17,600, reduced by £384 from £17,984 since AskCar first saw it on 15 October 2026, 21 days ago. Fair price: £973 (5%) under the AskCar estimate of £18,573. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 January 2027. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes, 11 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2022-2d7595bf9e6d
- 2018 Audi A6 Saloon 2.0 TDI S Line, 201 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 48,428 miles. Price: £16,700, reduced by £900 from £17,600 since AskCar first saw it on 17 September 2026, 49 days ago. Fair price: £882 (5%) under the AskCar estimate of £17,582. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 29 September 2026; ask the dealer for the current MOT. Dealer: Marshall Volkswagen Milton Keynes in Milton Keynes, 13 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-538c812a95c7
- 2024 Audi A6 Saloon 2.0 TFSI S Line, 201 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 6,800 miles. Price: £27,500, reduced by £1,250 from £28,750 since AskCar first saw it on 4 July 2026, 124 days ago. Fair price: £226 (under 1%) under the AskCar estimate of £27,726. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Kallenhard in Leighton Buzzard, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2024-04aaf124a819
- 2026 Audi A6 Saloon 2.0 TFSI Sport, 201 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 4,909 miles. Price: £32,990, reduced by £6,000 from £38,990 since AskCar first saw it on 17 June 2026, 141 days ago. Fair price: £137 (under 1%) over the AskCar estimate of £32,853. 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-a6-saloon-2026-0d6d0aef8ab4
- 2015 Audi A6 Saloon 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 89,958 miles. Price: £8,999, reduced by £791 from £9,790 since AskCar first saw it on 30 May 2026, 159 days ago. Fair price: £66 (under 1%) over the AskCar estimate of £8,933. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 May 2027. Dealer: Kennington Car Sales in Bletchley, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2015-8f9ddea84a2b
- 2026 Audi A6 Saloon 2.0 TFSI S Line, 201 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 13,995 miles. Price: £33,490, reduced by £8,410 from £41,900 since AskCar first saw it on 17 June 2026, 141 days ago. Fair price: £442 (1%) over the AskCar estimate of £33,048. 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-a6-saloon-2026-3d995f6211d7
- 2021 Audi A6 Saloon 2.0 TDI Black Edition, 201 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 87,854 miles. Price: £17,495, reduced by £1,500 from £18,995 since AskCar first saw it on 28 May 2026, 161 days ago. Fair price: £384 (2%) over the AskCar estimate of £17,111. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 December 2026. Dealer: Hampton Car Sales in Milton Malsor, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-7ce50abf813a
- 2015 Audi A6 Saloon 3.0 TDI SE, automatic, diesel, saloon, 4 doors, blue. Mileage: 66,072 miles. Price: £11,991, unchanged since AskCar first saw it on 22 October 2026, 14 days ago. Fair price: £871 (7%) over the AskCar estimate of £11,120. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 September 2027. Dealer: House of Brage in Oxford, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2015-c9a436f2ae05
- 2025 Audi A6 Saloon 2.0 TDI, 201 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 17,511 miles. Price: £37,990, unchanged since AskCar first saw it on 5 November 2026. Above the going rate: £3,593 (10%) over the AskCar estimate of £34,397. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2025-ba7aafb224f1
- 2014 Audi A6 Saloon 2.0 TDI ultra S Line, 187 bhp, manual, diesel, saloon, 4 doors, silver. Mileage: 89,000 miles. Price: £8,400. AskCar first saw it on 11 August 2026, 86 days ago. Above the going rate: £1,068 (14%) over the AskCar estimate of £7,332. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 April 2027. Dealer: Milton Motors One in Stewkley, 9 miles from Buckingham. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2014-f4ea972ae98f
Audi A6 Saloon across the UK by price
- Under £5,000 (42 cars)
- Under £8,000 (127 cars)
- Under £10,000 (210 cars)
- Under £15,000 (381 cars)
- Under £20,000 (635 cars)
- Under £30,000 (795 cars)
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