2021 Audi RS6 Avant prices
There are 45 used 2021 Audi RS6 Avant cars for sale from UK dealers on AskCar, as of 12 November 2026. Typical asking price £72,000 (the median: half cost less, half cost more). The cheapest is £62,495. The middle half are priced between £70,000 and £78,000. Median mileage: about 38,000 miles.
Dealers lowered the asking price on more than one in ten of 2021 Audi RS6 Avant cars: 6 of the 45 in the 14 days to 12 November 2026.
2021 Audi RS6 Avant prices by engine and mileage
| Engine | All mileages | Under 20,000 miles | 20,000 to 40,000 miles | 40,000 to 60,000 miles | 60,000 miles or more |
|---|---|---|---|---|---|
| 4.0 petrol | £72,000 | Too few for sale | £75,000 | Too few for sale | Too few for sale |
2021 Audi RS6 Avant prices by trim
| Trim | Typical asking price, 2021 cars |
|---|---|
| Vorsprung | £76,000 |
| Carbon Black | Too few for sale |
Only 11 of the 2021 Audi RS6 Avant cars for sale are Carbon Black, too few to give a typical asking price.
Typical asking prices are of 2021 Audi RS6 Avant cars for sale on 12 November 2026, and are given only where at least 20 cars with a price are for sale.
2021 Audi RS6 Avant against other years
A 2020 Audi RS6 Avant car has a typical asking price of £70,000 and a 2022 one £79,000, as of 12 November 2026.
AskCar lists 284 used Audi RS6 Avant across the UK, from 205 dealerships.
As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
2021 Audi RS6 Avant cars for sale now, page 2 of 2
This page lists 2021 Audi RS6 Avant cars not picked out on page 1, cheapest first.
The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 276 priced Audi RS6 Avant adverts on AskCar as of 12 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2021 Audi RS6 Avant.
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. Each car's AskCar page has its full price history and cheaper cars like it.
This list leaves out 2 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.
- 2021 Audi RS6 Avant 4.0, automatic, petrol, estate, 5 doors, grey. Mileage: 37,600 miles. Price: £69,850, reduced by £3,000 from £72,850 since AskCar first saw it on 28 May 2026, 168 days ago. Fair price: £4,193 (6%) over the AskCar estimate of £65,657. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 February 2027. Dealer: Proctor Car Sales in Chesterfield. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-5c675bf3162e
- 2021 Audi RS6 Avant 4.0 TFSI V8 Carbon Black, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, grey. Mileage: 45,000 miles. Price: £69,990, raised by £40 from £69,950 since AskCar first saw it on 31 August 2026, 73 days ago. Fair price: £17 (under 1%) over the AskCar estimate of £69,973. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 June 2027. Dealer: Nation Car Supermarket in Halifax. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-0f42aa2fd1a7
- 2021 Audi RS6 Avant 4.0 TFSI V8 Vorsprung, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, grey. Mileage: 50,000 miles. Price: £69,990, unchanged since AskCar first saw it on 28 August 2026, 76 days ago. Fair price: £716 (1%) under the AskCar estimate of £70,706. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 July 2027. Dealer: Cheshire Performance in Audenshaw. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-ae5b6866a460
- 2021 Audi RS6 Avant 4.0 TFSI V8 Carbon Black, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, black. Mileage: 40,000 miles. Price: £70,990, reduced by £2,500 from £73,490 since AskCar first saw it on 28 May 2026, 168 days ago. Fair price: £989 (1%) under the AskCar estimate of £71,979. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 2 September 2026; ask the dealer for the current MOT. Dealer: M A Performance Cars in Sutton Coldfield. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-17d7ae3e3cf1
- 2021 Audi RS6 Avant 4.0 Vorsprung, 591 bhp, automatic, petrol, estate, 5 doors, black. Mileage: 48,000 miles. Price: £70,995, unchanged since AskCar first saw it on 27 October 2026, 16 days ago. Fair price: £1,503 (2%) under the AskCar estimate of £72,498. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 May 2027. Dealer: Kaim Park Garage in Bathgate. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-d7d0f8c1e77d
- 2021 Audi RS6 Avant 4.0 TFSI V8 Carbon Black, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, black. Mileage: 60,000 miles. Price: £71,495, reduced by £7,500 from £78,995 since AskCar first saw it on 31 July 2026, 104 days ago. Above the going rate: £7,211 (11%) over the AskCar estimate of £64,284. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 January 2027. Dealer: My Next Car in Sandy. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-6e23aebd4622
- 2021 Audi RS6 Avant 4.0 TFSI V8 Vorsprung, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, black. Mileage: 61,000 miles. Price: £71,990, unchanged since AskCar first saw it on 28 September 2026, 45 days ago. Above the going rate: £5,662 (8%) over the AskCar estimate of £66,328. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 April 2027. Dealer: Auto Prestige in Bradford. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-58bd165a104a
- 2021 Audi RS6 Avant 4.0 TFSI V8 Carbon Black, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, grey. Mileage: 34,445 miles. Price: £71,990, reduced by £1,000 from £72,990 since AskCar first saw it on 28 May 2026, 168 days ago. Fair price: £2,286 (3%) under the AskCar estimate of £74,276. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 March 2027. Dealer: Leigh Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-efb28a9efbd0
- 2021 Audi RS6 Avant 4.0 TFSI V8 Carbon Black, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, black. Mileage: 38,000 miles. Price: £71,995, unchanged since AskCar first saw it on 29 May 2026, 167 days ago. Fair price: £803 (1%) under the AskCar estimate of £72,798. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 May 2027. Dealer: V G Performance Cars in Andover. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-10d4d08de1c2
- 2021 Audi RS6 Avant 4.0 TFSI V8 Vorsprung, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, black. Mileage: 38,200 miles. Price: £74,995, unchanged since AskCar first saw it on 10 October 2026, 33 days ago. Fair price: £589 (under 1%) under the AskCar estimate of £75,584. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 7 June 2027. Dealer: Sabe Automotive in Baildon. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-94b4a65129bf
- 2021 Audi RS6 Avant 4.0 TFSI V8 Vorsprung, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, black. Mileage: 36,800 miles. Price: £74,995, reduced by £2,000 from £76,995 since AskCar first saw it on 28 May 2026, 168 days ago. Fair price: £1,190 (1%) under the AskCar estimate of £76,185. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 28 October 2026; ask the dealer for the current MOT. Dealer: Berkeley Performance in Tamworth. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-e3d1f5cea426
- 2021 Audi RS6 Avant 4.0 TFSI V8 Vorsprung, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, red. Mileage: 33,000 miles. Price: £75,990, unchanged since AskCar first saw it on 4 November 2026, 8 days ago. Fair price: £1,849 (2%) under the AskCar estimate of £77,839. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 January 2027. Dealer: Priory Cars in Bedford. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-6afcbc1969f9
- 2021 Audi RS6 Avant 4.0 TFSI V8 Carbon Black, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, grey. Mileage: 39,965 miles. Price: £77,895, reduced by £2,055 from £79,950 since AskCar first saw it on 21 August 2026, 83 days ago. Above the going rate: £5,901 (8%) over the AskCar estimate of £71,994. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 August 2027. Dealer: Redline Specialist Cars in Knaresborough. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-ac1bf83eda69
- 2021 Audi RS6 Avant 4.0 Vorsprung, automatic, petrol, estate, 5 doors, 4 seats, grey. Mileage: 31,000 miles. Price: £79,990, unchanged since AskCar first saw it on 3 November 2026, 9 days ago. Above the going rate: £13,165 (19%) over the AskCar estimate of £66,825. Euro 6 emissions standard. ULEZ compliant. Dealer: Panacea Motors in Bury. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-bc9da41c8fd0
- 2021 Audi RS6 Avant 4.0 TFSI V8 Vorsprung, 592 bhp, automatic, petrol, estate, 5 doors, 4 seats, black. Mileage: 40,000 miles. Price: £87,449, unchanged since AskCar first saw it on 1 July 2026, 134 days ago. Above the going rate: £12,630 (16%) over the AskCar estimate of £74,819. Euro 6 emissions standard. ULEZ compliant. Dealer: 101 Specialist Cars in Manchester. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-d13c9dd342ae
- 2021 Audi RS6 Avant 4.0, automatic, petrol, estate, 5 doors. Mileage: 25,000 miles. Euro 6 emissions standard. ULEZ compliant. Dealer: Peter Trotman Specialist Cars in Cheltenham. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-529fa54aff0e
Audi RS6 Avant prices by year
Audi RS6 Avant by trim
- Audi RS6 Avant Vorsprung (87 cars)
- Audi RS6 Avant Performance (40 cars)
- Audi RS6 Avant Carbon Black (30 cars)
- Audi RS6 Avant Performance Carbon Vorsprung (26 cars)
2021 Audi RS6 Avant by trim
Audi RS6 Avant by price
Audi RS6 Avant near you
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