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: 45,124 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 4 seats
• Engine: 4.0 litres, 592 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 295 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 45,124 miles on the clock, this 2021 Audi RS6 Avant Carbon Black has done roughly 7,300 more miles than a typical 2021 Audi RS6 Avant. Its asking price of £69,495 is £767 below the AskCar estimate of £70,262. The AskCar estimate draws on 275 Audi RS6 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 55 days ago. The latest recorded MOT expiry date is 15 September 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Yeomans Audi Truro, based in Truro. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £767 (1%) under the AskCar estimate of £70,262.

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 275 priced Audi RS6 Avant adverts across different ages and specifications, as of 6 November 2026.

A 2021 Audi RS6 Avant with the 4.0 petrol engine is typically advertised at £72,000: the median of the 41 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Audi RS6 Avant has been on sale for at least 55 days.

Price history

AskCar first saw this advert on 12 September 2026 at £69,495. Its asking price has not changed.

Price changes recorded:

• 12 September 2026: £69,495
• 16 September 2026: £70,195
• 8 October 2026: £69,995
• 3 November 2026: £69,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 15 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 16 September 2025, passed.

Advisories at the latest test: front inner brake pad(s) wearing thin; rear inner brake pad(s) wearing thin; rear windscreen excessively tinted.

Mileage at that test: 35,390 miles, which matches the advertised 45,124 miles.

Advertised mileage is about 7,300 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 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey. Mileage: 45,000 miles. Price: £69,990, £495 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: 47,637 miles. Price: £68,995, £500 less than this car. Dealer: John Clark Motor Group in Inverness. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-c548353eae84
• 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, black. Mileage: 40,000 miles. Price: £70,990, £1,495 more than this car. Dealer: M A Performance Cars in Sutton Coldfield. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-17d7ae3e3cf1

• The nearest: 2021 Audi RS6 Avant Carbon Black, 4.0 petrol estate, black, 168 miles from this car. Mileage: 38,000 miles. Price: £71,995, £2,500 more than this car. Dealer: V G Performance Cars in Andover. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2021-10d4d08de1c2