2021 Audi RS6 Avant 4.0 TFSI V8

Overview

• Make: Audi
• Model: RS6 Avant
• Version: 4.0 TFSI V8 Tiptronic 4WD Euro 6 (s/s) 5dr (592 bhp)
• Year: 2021
• Mileage: 48,000 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 4 seats
• Engine: 4.0 litres, 592 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Black
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 48,000 miles, this 2021 Audi RS6 Avant has covered about 10,000 more miles than other 2021 Audi RS6 Avant cars. The dealer is asking £62,495, which is £6,182 below the AskCar estimate of £68,677. To work out the AskCar estimate, we analyse UK dealer adverts for 271 Audi RS6 Avant cars across different ages and specifications. It first appeared in our advert records 163 days ago. The seller is Middlesex Motors, based in Uxbridge. 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

Good value: £6,182 (9%) under the AskCar estimate of £68,677.

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 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £62,495. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 10,000 miles higher than the median mileage of a 2021 Audi RS6 Avant on AskCar.