Used Audi A6 Avant for sale near Basildon
There are 34 used Audi A6 Avant for sale from UK dealers within 20 miles of Basildon on AskCar, as of 6 November 2026. Typical asking price £17,000 (the median: half cost less, half cost more). The cheapest is £1,395. AskCar lists 808 used Audi A6 Avant across the UK, from 592 dealerships.
The middle half of the 34 cars are priced between £13,000 and £24,500.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Basildon
15 of the 34 Audi A6 Avant within 20 miles of Basildon had their price reduced in the last 14 days to 6 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 783 priced Audi A6 Avant adverts on AskCar as of 6 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.
- 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, 137 days ago. Good value: £3,086 (20%) under the AskCar estimate of £15,081. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 6 June 2027. Dealer: Wise Auto in Ilford, 15 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-1fe09b7d3402
- 2021 Audi A6 Avant 3.0 Black Edition, 281 bhp, automatic, diesel, estate, 5 doors, white. Mileage: 33,000 miles. Price: £25,495, reduced by £2,005 from £27,500 since AskCar first saw it on 29 September 2026, 38 days ago. Good value: £5,154 (16%) under the AskCar estimate of £30,649. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 December 2026. Dealer: Dukes Park Motors in Chelmsford, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-0d87bded0971
- 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, 152 days ago. Good value: £2,086 (13%) under the AskCar estimate of £15,081. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 6 June 2027. Dealer: Quality Auto Select in Rainham, 13 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-cc2ba2f34617
- 2019 Audi A6 Avant 2.0 TDI S Line, 201 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 46,878 miles. Price: £19,690, reduced by £1,800 from £21,490 since AskCar first saw it on 8 September 2026, 59 days ago. Good value: £1,959 (9%) under the AskCar estimate of £21,649. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 September 2027. Dealer: Savannah in Southend-on-Sea, 10 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-b211101fc010
- 2019 Audi A6 Avant 2.0 TDI S Line, 201 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 81,659 miles. Price: £15,660, reduced by £2,360 from £18,020 since AskCar first saw it on 27 July 2026, 102 days ago. Good value: £1,497 (8%) under the AskCar estimate of £17,157. 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: Cargem in Rainham, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-5b756e68c312
- 2021 Audi A6 Avant 2.0 TDI Black Edition, 201 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 37,637 miles. Price: £23,500, reduced by £495 from £23,995 since AskCar first saw it on 14 October 2026, 23 days ago. Fair price: £1,786 (7%) under the AskCar estimate of £25,286. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 April 2027. Dealer: Uniche Motor Company in Detling, 19 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-54ad59bc0045
- 2019 Audi A6 Avant 2.0 TDI S Line, 201 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 79,861 miles. Price: £16,170, reduced by £1,203 from £17,373 since AskCar first saw it on 17 October 2026, 20 days ago. Fair price: £1,215 (6%) under the AskCar estimate of £17,385. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 January 2027. Dealer: Cargem in Rainham, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-0494b81286fb
- 2022 Audi A6 Avant 2.0 TDI Black Edition, 201 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 28,324 miles. Price: £28,000, raised by £200 from £27,800 since AskCar first saw it on 1 November 2026, 5 days ago. Fair price: £2,068 (6%) under the AskCar estimate of £30,068. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 February 2027. Dealer: Marshall Volkswagen Loughton in Loughton, 16 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2022-d292c983e690
- 2018 Audi A6 Avant 3.0 Black Edition, 268 bhp, automatic, diesel, estate, 5 doors, blue. Mileage: 55,258 miles. Price: £20,000, reduced by £2,490 from £22,490 since AskCar first saw it on 18 June 2026, 141 days ago. Fair price: £1,368 (6%) under the AskCar estimate of £21,368. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 June 2027. Dealer: Savannah in Southend-on-Sea, 10 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-6623e2aee9a2
- 2016 Audi A6 Avant, automatic, diesel, estate, 5 doors, silver. Mileage: 70,068 miles. Price: £13,495, unchanged since AskCar first saw it on 7 July 2026, 122 days ago. Fair price: £750 (5%) under the AskCar estimate of £14,245. Euro 6 emissions standard. ULEZ compliant. Dealer: MH UK Motors in Stanford-le-Hope, 2 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2016-6a47b5bf6c35
- 2023 Audi A6 Avant 2.0 TFSI Sport, 201 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 25,621 miles. Price: £22,040, reduced by £1,390 from £23,430 since AskCar first saw it on 30 September 2026, 37 days ago. Fair price: £1,196 (5%) under the AskCar estimate of £23,236. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 August 2027. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill, 16 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-21be7a5b288d
- 2019 Audi A6 Avant 2.0 TDI S Line, 201 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 84,656 miles. Price: £15,939, reduced by £1,930 from £17,869 since AskCar first saw it on 3 July 2026, 126 days ago. Fair price: £844 (5%) under the AskCar estimate of £16,783. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 31 July 2026; ask the dealer for the current MOT. Dealer: Cargem in Rainham, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-c3dd288d147b
- 2023 Audi A6 Avant 2.0 TFSI Sport, 261 bhp, automatic, petrol, estate, 5 doors, blue. Mileage: 49,874 miles. Price: £22,790, reduced by £1,609 from £24,399 since AskCar first saw it on 1 October 2026, 36 days ago. Fair price: £1,127 (4%) under the AskCar estimate of £23,917. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 January 2027. Dealer: Brayleys Cars Brayley Honda Orpington in Orpington, 19 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-82997263dd47
- 2015 Audi A6 Avant 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, estate, 5 doors, silver. Mileage: 96,169 miles. Price: £9,899, reduced by £1,100 from £10,999 since AskCar first saw it on 27 July 2026, 102 days ago. Fair price: £337 (3%) under the AskCar estimate of £10,236. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 30 September 2025; ask the dealer for the current MOT. Dealer: Autozone Essex in Chelmsford, 13 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-14f13dddc248
- 2021 Audi A6 Avant 2.0 TDI S Line, 201 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 33,114 miles. Price: £24,995, unchanged since AskCar first saw it on 6 November 2026. Fair price: £739 (2%) under the AskCar estimate of £25,734. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 February 2027. Dealer: Group 1 Automotive Chelmsford Audi in Chelmsford, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-775ebcd21347
- 2026 Audi A6 Avant 2.0 e-hybrid Edition 1, 295 bhp, automatic, plug-in hybrid (petrol), estate, 5 doors, green. Mileage: 2,732 miles. Price: £52,395, reduced by £4,600 from £56,995 since AskCar first saw it on 25 August 2026, 73 days ago. Fair price: £1,225 (2%) under the AskCar estimate of £53,620. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Group 1 Automotive Audi Harold Wood in Harold Wood, 9 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2026-2d0d93d9b73b
- 2023 Audi A6 Avant 2.0 TFSI Black Edition, 261 bhp, automatic, petrol, estate, 5 doors, blue. Mileage: 20,998 miles. Price: £33,150, reduced by £1,800 from £34,950 since AskCar first saw it on 1 October 2026, 36 days ago. Fair price: £646 (1%) under the AskCar estimate of £33,796. Euro 6 emissions standard. ULEZ compliant. Dealer: Group 1 Automotive Southend Audi in Thundersley and South Benfleet, 7 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-e395edb15089
- 2019 Audi A6 Avant 2.0 TDI S Line, 201 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 99,078 miles. Price: £14,853, reduced by £1,075 from £15,928 since AskCar first saw it on 28 May 2026, 162 days ago. Fair price: £242 (1%) under the AskCar estimate of £15,095. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 March 2027. Dealer: Cargem in Rainham, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-2189c5879ccd
- 2023 Audi A6 Avant 2.0 TFSIe S Line, 295 bhp, automatic, plug-in hybrid (petrol), estate, 5 doors, black. Mileage: 39,730 miles. Price: £25,800, unchanged since AskCar first saw it on 16 October 2026, 21 days ago. Fair price: £388 (1%) under the AskCar estimate of £26,188. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 July 2027. Dealer: Lmc Cars in Upminster, 7 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-bfe21ca6b014
- 2019 Audi A6 Avant 2.0 TDI S Line, 201 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 80,296 miles. Price: £17,098, unchanged since AskCar first saw it on 29 October 2026, 8 days ago. Fair price: £232 (1%) under the AskCar estimate of £17,330. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 March 2027. Dealer: Cargem in Rainham, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-85a9e27e5564
- 2024 Audi A6 Avant 2.0 TFSIe Black Edition, 295 bhp, automatic, plug-in hybrid (petrol), estate, 5 doors, black. Mileage: 71,359 miles. Price: £27,000, unchanged since AskCar first saw it on 17 October 2026, 20 days ago. Fair price: £241 (under 1%) under the AskCar estimate of £27,241. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Lmc Cars in Upminster, 7 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2024-734fc2b6f197
- 2016 Audi A6 Avant 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, estate, 5 doors, white. Mileage: 96,150 miles. Price: £10,245, unchanged since AskCar first saw it on 28 October 2026, 9 days ago. Fair price: £81 (under 1%) under the AskCar estimate of £10,326. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 December 2026. Dealer: GSC Essex in Havering, 15 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2016-9cee78227fe9
- 2024 Audi A6 Avant 2.0 TFSI S Line, 201 bhp, automatic, petrol, estate, 5 doors, grey. Mileage: 11,978 miles. Price: £30,000, reduced by £300 from £30,300 since AskCar first saw it on 10 September 2026, 57 days ago. Fair price: £51 (under 1%) under the AskCar estimate of £30,051. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Marshall Motor Group Maidstone Audi in Maidstone, 19 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2024-a7bbd58cfdc8
- 2023 Audi A6 Avant 2.0 TFSIe S Line, 295 bhp, automatic, plug-in hybrid (petrol), estate, 5 doors, blue. Mileage: 60,151 miles. Price: £23,500, unchanged since AskCar first saw it on 28 October 2026, 9 days ago. Fair price: £145 (under 1%) over the AskCar estimate of £23,355. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 September 2027. Dealer: Lmc Cars in Upminster, 7 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-c357bae9723f
- 2016 Audi A6 Avant 2.0 TDI ultra S Line, 187 bhp, manual, diesel, estate, 5 doors, black. Mileage: 100,000 miles. Price: £9,690, reduced by £760 from £10,450 since AskCar first saw it on 18 August 2026, 80 days ago. Fair price: £70 (under 1%) over the AskCar estimate of £9,620. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 November 2026. Dealer: JLC Motors in Bowers Gifford, 4 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2016-e841f89d4704
- 2015 Audi A6 Avant 3.0 Black Edition, 214 bhp, automatic, diesel, estate, 5 doors, silver. Mileage: 53,300 miles. Price: £16,995, reduced by £1,000 from £17,995 since AskCar first saw it on 15 June 2026, 144 days ago. Fair price: £215 (1%) over the AskCar estimate of £16,780. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 June 2027. Dealer: Gills Motors in Maldon, 17 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-c7cb4c1937d6
- 2024 Audi A6 Avant 2.0 TFSI S Line, 201 bhp, automatic, petrol, estate, 5 doors, silver. Mileage: 32,545 miles. Price: £27,750, unchanged since AskCar first saw it on 6 November 2026. Fair price: £437 (1%) over the AskCar estimate of £27,313. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Group 1 Automotive Chelmsford Audi in Chelmsford, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2024-fc12098ba3fe
- 2015 Audi A6 Avant 3.0 S Line, 268 bhp, automatic, diesel, estate, 5 doors, blue. Mileage: 114,000 miles. Price: £10,990, unchanged since AskCar first saw it on 25 August 2026, 73 days ago. Fair price: £344 (3%) over the AskCar estimate of £10,646. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 March 2027. Dealer: Best4U Motors in Brentwood, 6 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-e68770393dc3
- 2015 Audi A6 Avant 3.0 TDI SE, 268 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 61,595 miles. Price: £13,990, reduced by £505 from £14,495 since AskCar first saw it on 4 October 2026, 33 days ago. Fair price: £516 (3%) over the AskCar estimate of £13,474. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 September 2027. Dealer: Savannah in Southend-on-Sea, 10 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-0e1ef07dd70f
- 2014 Audi A6 Avant 2.8 FSI SE, 217 bhp, automatic, petrol, estate, 5 doors. Mileage: 55,000 miles. Price: £12,990, unchanged since AskCar first saw it on 27 October 2026, 10 days ago. Fair price: £512 (4%) over the AskCar estimate of £12,478. Euro 5 emissions standard. ULEZ compliant. Dealer: V P I Used Car Sales in London, 18 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2014-f8be8e4e437a
- 2021 Audi A6 Avant 2.0 TDI Black Edition, 201 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 82,100 miles. Price: £20,000, reduced by £1,000 from £21,000 since AskCar first saw it on 28 May 2026, 162 days ago. Fair price: £964 (5%) over the AskCar estimate of £19,036. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 March 2027. Dealer: Quantum Cars in Havering, 13 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-e338467da5dd
- 2012 Audi A6 Avant S Line, automatic, estate. Mileage: 65,000 miles. Price: £11,690, unchanged since AskCar first saw it on 6 October 2026, 31 days ago. Above the going rate: £1,316 (12%) over the AskCar estimate of £10,374. Dealer: V P I Used Car Sales in London, 18 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2012-99c04803e4ec
- 2008 Audi A6 Avant 3.2 FSI SE, 252 bhp, automatic, petrol, estate, 5 doors, silver. Mileage: 152,700 miles. Price: £1,890, unchanged since AskCar first saw it on 29 October 2026, 8 days ago. Far below the going rate: £1,897 (50%) under the AskCar estimate of £3,787. Worth asking the dealer why. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 17 May 2027. Dealer: Simpsons Car Sales in West Kingsdown, 18 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2008-d31ea476da3a
- 2007 Audi A6 Avant 2.7 TDI SE, 177 bhp, automatic, diesel, estate, 5 doors, silver. Mileage: 188,000 miles. Price: £1,395, reduced by £455 from £1,850 since AskCar first saw it on 28 May 2026, 162 days ago. Far below the going rate: £979 (41%) under the AskCar estimate of £2,374. Worth asking the dealer why. Euro 4 emissions standard. MOT: valid until 4 February 2027. Dealer: Barn Cars in Brentwood, 9 miles from Basildon. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2007-b2a0c0b53905
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- Under £5,000 (39 cars)
- Under £8,000 (93 cars)
- Under £10,000 (155 cars)
- Under £15,000 (312 cars)
- Under £20,000 (483 cars)
- Under £30,000 (688 cars)
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