2021 Audi RS6 Avant 4.0 TFSI V8 Carbon Black

Overview

• Make: Audi
• Model: RS6 Avant
• Trim: Carbon Black
• Version: 4.0 TFSI V8 Carbon Black Tiptronic 4WD Euro 6 (s/s) 5dr (592 bhp)
• Year: 2021
• Mileage: 47,637 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 4 seats
• Engine: 4.0 litres, 592 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 295 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 47,637 miles on the clock, this 2021 Audi RS6 Avant Carbon Black has done roughly 9,600 more miles than a typical 2021 Audi RS6 Avant. Its asking price of £68,995 is £257 below the AskCar estimate of £69,252. The AskCar estimate uses UK dealer asking prices, including 271 Audi RS6 Avant adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 56 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at John Clark Motor Group in Inverness. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £257 (under 1%) under the AskCar estimate of £69,252.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 271 priced Audi RS6 Avant adverts across different ages and specifications, as of 7 November 2026.

A 2021 Audi RS6 Avant with the 4.0 petrol engine is typically advertised at £72,000: the median of the 40 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Audi RS6 Avant has been on sale for at least 56 days.

Price history

AskCar first saw this advert on 12 September 2026 at £68,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 10 November 2026.

It has had 4 MOTs. The latest, on 28 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 46,461 miles, which matches the advertised 47,637 miles.

Advertised mileage is about 9,600 miles higher than the median mileage of a 2021 Audi RS6 Avant on AskCar.

Similar cars

10 other 2021 Audi RS6 Avant Carbon Black 4.0 petrol automatic estates are for sale at UK dealers, from £64,995 to £77,895, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, black. Mileage: 45,124 miles. Price: £69,495, £500 more than this car. Dealer: Yeomans Audi Truro in Truro. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-231aa8d3056f
• 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey. Mileage: 45,000 miles. Price: £69,990, £995 more than this car. Dealer: Nation Car Supermarket in Halifax. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-0f42aa2fd1a7
• 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey. Mileage: 54,100 miles. Price: £65,995, £3,000 less than this car. Dealer: PSF Cars in Macclesfield. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-d5264c6e89b3

• The nearest: 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey, 264 miles from this car. Mileage: 39,965 miles. Price: £77,895, £8,900 more than this car. Dealer: Redline Specialist Cars in Knaresborough. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-ac1bf83eda69