Used petrol Audi A6 Avant for sale under £15,000
There are 24 used petrol Audi A6 Avant under £15,000 for sale from UK dealers on AskCar, as of 11 November 2026. Typical asking price £12,000 (the median: half cost less, half cost more). The cheapest is £2,490. AskCar lists 796 used Audi A6 Avant across the UK, from 592 dealerships.
The middle half of the 24 cars are priced between £10,700 and £13,200.
As of 11 November 2026, AskCar lists 593,449 cars and vans from 12,847 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
6 of the 24 cars had their price reduced in the last 14 days to 11 November 2026.
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 779 priced Audi A6 Avant adverts on AskCar as of 11 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 and town; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2018 Audi A6 Avant 2.0 TFSI, 248 bhp, automatic, petrol, estate, 5 doors, black. Mileage: 106,000 miles. Price: £10,995, reduced by £1,000 from £11,995 since AskCar first saw it on 6 August 2026, 97 days ago. Good value: £2,987 (21%) under the AskCar estimate of £13,982. 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: Bucks Autos in Chesham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-eb62c7b87c12
- 2015 Audi A6 Avant 2.8 FSI S Line, 250 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 47,610 miles. Price: £11,995, reduced by £1,000 from £12,995 since AskCar first saw it on 22 June 2026, 142 days ago. Good value: £3,052 (20%) under the AskCar estimate of £15,047. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 6 June 2027. Dealer: Wise Auto in Ilford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-1fe09b7d3402
- 2015 Audi A6 Avant S Line, automatic, petrol, estate. Mileage: 67,000 miles. Price: £10,000, unchanged since AskCar first saw it on 3 October 2026, 39 days ago. Good value: £2,469 (19%) under the AskCar estimate of £12,469. Dealer: Chapelfield Car Sales in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-7e9df3b50ad8
- 2010 Audi A6 Avant 2.0 TFSI SE, 167 bhp, automatic, petrol, estate, 5 doors, beige. Mileage: 144,867 miles. Price: £2,490, reduced by £500 from £2,990 since AskCar first saw it on 14 October 2026, 28 days ago. Good value: £537 (17%) under the AskCar estimate of £3,027. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 5 December 2026. Dealer: RMCG in Croydon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2010-86cbd19d872a
- 2018 Audi A6 Avant 1.8 TFSI S Line, 187 bhp, automatic, petrol, estate, 5 doors, black. Mileage: 47,345 miles. Price: £13,950, reduced by £1,800 from £15,750 since AskCar first saw it on 8 August 2026, 95 days ago. Good value: £2,330 (14%) under the AskCar estimate of £16,280. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 24 June 2026; ask the dealer for the current MOT. Dealer: Kayan Motors in Ealing. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-49851aa04ca2
- 2015 Audi A6 Avant 2.8 FSI S Line, 250 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 47,600 miles. Price: £12,995, unchanged since AskCar first saw it on 7 June 2026, 157 days ago. Good value: £2,053 (13%) under the AskCar estimate of £15,048. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 6 June 2027. Dealer: Quality Auto Select in Rainham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-cc2ba2f34617
- 2017 Audi A6 Avant 2.0 TFSI S Line, 249 bhp, automatic, petrol, estate, 5 doors. Mileage: 78,700 miles. Price: £12,300, reduced by £699 from £12,999 since AskCar first saw it on 31 October 2026, 11 days ago. Good value: £1,730 (12%) under the AskCar estimate of £14,030. Euro 6 emissions standard. ULEZ compliant. Dealer: MRG Car Sales in Poole. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2017-95e155d421d4
- 2016 Audi A6 Avant 2.0 TFSI SE Executive, 249 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 59,000 miles. Price: £11,999, unchanged since AskCar first saw it on 28 October 2026, 14 days ago. Good value: £1,254 (9%) under the AskCar estimate of £13,253. Euro 6 emissions standard. ULEZ compliant. Dealer: Plexus Motors in Keighley. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2016-a8b5e7a4d762
- 2012 Audi A6 Avant 3.0 TFSI SE, automatic, petrol, estate. Mileage: 60,000 miles. Price: £8,600, unchanged since AskCar first saw it on 3 October 2026, 39 days ago. Good value: £810 (8%) under the AskCar estimate of £9,410. Euro 5 emissions standard. ULEZ compliant. Dealer: Chapelfield Car Sales in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2012-69f64d1e1b17
- 2018 Audi A6 Avant 1.8 TFSI SE Executive, 187 bhp, automatic, petrol, estate, 5 doors, blue. Mileage: 49,586 miles. Price: £14,213, reduced by £450 from £14,663 since AskCar first saw it on 8 October 2026, 34 days ago. Fair price: £943 (6%) under the AskCar estimate of £15,156. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 October 2027. Dealer: JCT600 Approved South Leeds in Batley. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-0a04cb0800ce
- 2018 Audi A6 Avant 1.8 TFSI S Line, 187 bhp, automatic, petrol, estate, 5 doors, grey. Mileage: 70,500 miles. Price: £13,190, unchanged since AskCar first saw it on 17 October 2026, 25 days ago. Fair price: £856 (6%) under the AskCar estimate of £14,046. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 June 2027. Dealer: Carnet Midlands in Burntwood. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-350e71efd091
- 2018 Audi A6 Avant 1.8 TFSI, 187 bhp, automatic, petrol, estate, 5 doors, black. Mileage: 80,000 miles. Price: £14,495, unchanged since AskCar first saw it on 6 September 2026, 66 days ago. Fair price: £769 (5%) under the AskCar estimate of £15,264. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 May 2027. Dealer: Clements Quality Cars in Mansfield. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-4b296f343d2d
- 2014 Audi A6 Avant, automatic, petrol, estate, 5 doors, white. Mileage: 48,450 miles. Price: £11,990, reduced by £1,000 from £12,990 since AskCar first saw it on 14 October 2026, 28 days ago. Fair price: £462 (3%) under the AskCar estimate of £12,452. MOT: valid until 8 July 2027. Dealer: Lectus Cars in Broxbourne. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2014-8997db781711
- 2016 Audi A6 Avant 2.0 TFSI SE Executive, 249 bhp, automatic, petrol, estate, 5 doors, black. Mileage: 56,000 miles. Price: £12,990, unchanged since AskCar first saw it on 1 November 2026, 10 days ago. Fair price: £487 (3%) under the AskCar estimate of £13,477. Euro 6 emissions standard. ULEZ compliant. Dealer: Worthside Motors in Keighley. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2016-5c924e492b5f
- 2018 Audi A6 Avant 1.8 TFSI SE Executive, 187 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 69,000 miles. Price: £12,995, unchanged since AskCar first saw it on 31 October 2026, 11 days ago. Fair price: £392 (2%) under the AskCar estimate of £13,387. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 February 2027. Dealer: Saline Motors in Dunfermline. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-c813078b012d
- 2017 Audi A6 Avant 2.0 TFSI S Line, 249 bhp, automatic, petrol, estate, 5 doors, black. Mileage: 76,606 miles. Price: £14,250, reduced by £240 from £14,490 since AskCar first saw it on 24 September 2026, 48 days ago. Fair price: £3 (under 1%) over the AskCar estimate of £14,247. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 September 2027. Dealer: County Specialist Vehicles in Taunton. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2017-fac44681e0a7
- 2013 Audi A6 Avant S Line, automatic, petrol, estate, 5 doors, white. Mileage: 45,920 miles. Price: £13,250, reduced by £250 from £13,500 since AskCar first saw it on 28 July 2026, 106 days ago. Fair price: £417 (3%) over the AskCar estimate of £12,833. Dealer: Bros Motors in Manchester. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2013-9ee718e56d69
- 2018 Audi A6 Avant 1.8 TFSI SE Executive, 187 bhp, automatic, petrol, estate, 5 doors, blue. Mileage: 103,000 miles. Price: £10,990, unchanged since AskCar first saw it on 28 May 2026, 167 days ago. Fair price: £539 (5%) over the AskCar estimate of £10,451. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 April 2027. Dealer: Sunniside Car Sales in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-4b969c3dbad0
- 2012 Audi A6 Avant 2.8 S Line, automatic, petrol, estate, 5 doors, 7 seats, black. Mileage: 84,000 miles. Price: £10,989, unchanged since AskCar first saw it on 30 October 2026, 12 days ago. Above the going rate: £1,677 (18%) over the AskCar estimate of £9,312. Dealer: Beeches Motor Zone in Keighley. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2012-5e08577d7004
- 2012 Audi A6 Avant S Line, automatic, petrol, estate, 5 doors, white. Mileage: 93,000 miles. Price: £10,989, unchanged since AskCar first saw it on 31 October 2026, 11 days ago. Above the going rate: £2,115 (23%) over the AskCar estimate of £8,874. Dealer: Beeches Motor Zone in Keighley. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2012-cc10a6d49017
- 2012 Audi A6 Avant 3.0 TFSI SE, automatic, petrol, estate, 5 doors, black. Mileage: 49,000 miles. Price: £13,995, unchanged since AskCar first saw it on 28 May 2026, 167 days ago. Above the going rate: £2,915 (26%) over the AskCar estimate of £11,080. Euro 5 emissions standard. ULEZ compliant. Dealer: AR Motor Group in Rishton. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2012-c613f6b41da9
- 2026 Audi A6 Avant 2.8 S Line, automatic, petrol, estate, 5 doors, black. Mileage: 84,180 miles. Price: £9,995, reduced by £955 from £10,950 since AskCar first saw it on 21 October 2026, 21 days ago. Far below the going rate: £18,570 (65%) under the AskCar estimate of £28,565. Worth asking the dealer why. MOT: valid until 11 August 2027. Dealer: The Red Vehicle Company in Henley-on-Thames. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2026-e3e962335725
- 2015 Audi A6 Avant S Line, 249 bhp, automatic, petrol, estate, 5 doors. Mileage: 59,074 miles. Price: £9,990, unchanged since AskCar first saw it on 5 September 2026, 67 days ago. Far below the going rate: £6,078 (37%) under the AskCar estimate of £16,068. Worth asking the dealer why. Dealer: Motor 4 U in Flimwell. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-be55bf36f6d3
- 2015 Audi A6 Avant 2.8, automatic, petrol, estate, 5 doors, white. Mileage: 48,000 miles. Price: £9,495, unchanged since AskCar first saw it on 1 November 2026, 10 days ago. Far below the going rate: £5,581 (37%) under the AskCar estimate of £15,076. Worth asking the dealer why. Euro 5 emissions standard. ULEZ compliant. Dealer: JST Automotive in Oxford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-054f76c80a07
Audi A6 Avant by gearbox, fuel and body
- Manual Audi A6 Avant (55 cars)
- Petrol Audi A6 Avant (169 cars)
- Diesel Audi A6 Avant (572 cars)
- Plug-in hybrid Audi A6 Avant (41 cars)
Petrol Audi A6 Avant by price
Audi A6 Avant prices by year
- 2026 (55 cars)
- 2025 (23 cars)
- 2024 (40 cars)
- 2023 (97 cars)
- 2022 (45 cars)
- 2021 (38 cars)
- 2020 (36 cars)
- 2019 (115 cars)
- 2018 (67 cars)
- 2017 (55 cars)
- 2016 (59 cars)
- 2015 (62 cars)
- 2014 (25 cars)
- 2013 (25 cars)
- 2012 (22 cars)
Audi A6 Avant by price
- Under £5,000 (35 cars)
- Under £8,000 (91 cars)
- Under £10,000 (154 cars)
- Under £15,000 (307 cars)
- Under £20,000 (486 cars)
- Under £30,000 (684 cars)
Audi A6 Avant near you
- In England (687 cars)
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- Near Bolton (84 cars)
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- Near Egham (57 cars)
Petrol cars under £15,000
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