Used Audi A6 Avant for sale near Sleaford
There are 10 used Audi A6 Avant for sale from UK dealers within 20 miles of Sleaford on AskCar, as of 7 November 2026. Typical asking price £14,800 (the median: half cost less, half cost more). The cheapest is £9,950. AskCar lists 813 used Audi A6 Avant across the UK, from 595 dealerships.
The middle half of the 10 cars are priced between £12,700 and £17,000.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Sleaford
6 of the 10 Audi A6 Avant within 20 miles of Sleaford had their price reduced in the last 14 days to 7 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 789 priced Audi A6 Avant adverts on AskCar as of 7 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.
- 2017 Audi A6 Avant 3.0 S Line, 268 bhp, automatic, diesel, estate, 5 doors, blue. Mileage: 97,400 miles. Price: £12,495, reduced by £295 from £12,790 since AskCar first saw it on 28 October 2026, 10 days ago. Good value: £1,334 (9%) under the AskCar estimate of £13,829. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 May 2027. Dealer: Group 1 Assured Lincoln in Lincoln, 15 miles from Sleaford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2017-39f154686bfe
- 2018 Audi A6 Avant 2.0 TDI ultra Black Edition, 187 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 83,606 miles. Price: £14,225, reduced by £1,025 from £15,250 since AskCar first saw it on 17 September 2026, 51 days ago. Fair price: £933 (6%) under the AskCar estimate of £15,158. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 April 2027. Dealer: JCT600 Boston Audi in Boston, 17 miles from Sleaford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-038ebba4098a
- 2018 Audi A6 Avant 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 124,000 miles. Price: £9,950, unchanged since AskCar first saw it on 9 October 2026, 29 days ago. Fair price: £551 (5%) under the AskCar estimate of £10,501. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 January 2027. Dealer: Windmill Motors in Bourne, 11 miles from Sleaford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-7713e446c241
- 2019 Audi A6 Avant 2.0 TDI S Line, 201 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 68,281 miles. Price: £17,990, reduced by £1,000 from £18,990 since AskCar first saw it on 18 October 2026, 20 days ago. Fair price: £926 (4%) under the AskCar estimate of £18,916. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 April 2027. Dealer: Strategic Vehicle Solutions in Boston, 12 miles from Sleaford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-dc48b16fe959
- 2018 Audi A6 Avant 2.0 TDI Black Edition, 187 bhp, automatic, diesel, estate, 5 doors, red. Mileage: 67,370 miles. Price: £16,975, reduced by £500 from £17,475 since AskCar first saw it on 17 October 2026, 21 days ago. Fair price: £653 (3%) under the AskCar estimate of £17,628. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 November 2026. Dealer: Junction 17 Cars Limited t/a Junction 17 Cars (Grantham) in Grantham, 11 miles from Sleaford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-724c0dbd5a37
- 2016 Audi A6 Avant 2.0 TDI S Line, 187 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 65,076 miles. Price: £13,495, reduced by £1,500 from £14,995 since AskCar first saw it on 1 August 2026, 98 days ago. Fair price: £67 (under 1%) under the AskCar estimate of £13,562. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 December 2026. Dealer: Just Audi VW in Lincoln, 18 miles from Sleaford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2016-9fd91c1c0dd8
- 2015 Audi A6 Avant 3.0 Black Edition, automatic, diesel, estate, 5 doors, black. Mileage: 115,000 miles. Price: £11,495, unchanged since AskCar first saw it on 7 November 2026. Fair price: £57 (under 1%) under the AskCar estimate of £11,552. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 April 2027. Dealer: Sedgebrook Motors in Sedgebrook, 13 miles from Sleaford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-594644162e96
- 2019 Audi A6 Avant 2.0 TDI Black Edition, 201 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 54,976 miles. Price: £20,995, reduced by £1,000 from £21,995 since AskCar first saw it on 15 September 2026, 53 days ago. Fair price: £82 (under 1%) under the AskCar estimate of £21,077. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 December 2026. Dealer: Just Audi VW in Lincoln, 18 miles from Sleaford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-801c8342314c
- 2018 Audi A6 Avant 2.0 TDI Black Edition, 187 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 87,000 miles. Price: £15,450, reduced by £500 from £15,950 since AskCar first saw it on 26 October 2026, 12 days ago. Fair price: £172 (1%) over the AskCar estimate of £15,278. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 June 2027. Dealer: Windmill Motors in Bourne, 11 miles from Sleaford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-212e63df4dc5
- 2019 Audi A6 Avant 2.0 TDI Black Edition, 201 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 115,372 miles. Price: £16,995, unchanged since AskCar first saw it on 26 September 2026, 42 days ago. Above the going rate: £2,520 (17%) over the AskCar estimate of £14,474. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 January 2027. Dealer: Just Audi VW in Lincoln, 18 miles from Sleaford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-e574bac3bcb6
Audi A6 Avant across the UK by price
- Under £5,000 (37 cars)
- Under £8,000 (94 cars)
- Under £10,000 (154 cars)
- Under £15,000 (310 cars)
- Under £20,000 (486 cars)
- Under £30,000 (690 cars)
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