2020 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: 2020
• Mileage: 24,420 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

This 2020 Audi RS6 Avant Carbon Black is advertised with 24,420 miles, approximately 20,600 below the typical mileage for its age. The dealer is asking £74,950, which is £88 above the AskCar estimate of £74,862. To work out the AskCar estimate, we analyse UK dealer adverts for 271 Audi RS6 Avant cars across different ages and specifications. The asking price is now £2,000 lower than when we first recorded the advert 162 days ago. You can find this car at Hamilton Grays in Loughborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £88 (under 1%) over the AskCar estimate of £74,862.

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 8 November 2026.

A 2020 Audi RS6 Avant with the 4.0 petrol engine is typically advertised at £70,000: the median of the 49 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 Audi RS6 Avant has been on sale for at least 162 days.

Price history

AskCar first saw this advert on 30 May 2026 at £76,950. Its asking price is now £74,950, £2,000 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 31 May 2026: £76,950
• 2 June 2026: £75,950
• 16 October 2026: £74,950

Mileage and MOT

Advertised mileage is about 20,600 miles lower than the median mileage of a 2020 Audi RS6 Avant on AskCar.

Similar cars

5 other 2020 Audi RS6 Avant Carbon Black 4.0 petrol automatic estates are for sale at UK dealers, from £57,500 to £71,499, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi RS6 Avant Carbon Black, 4.0 petrol estate, blue. Mileage: 36,500 miles. Price: £69,995, £4,955 less than this car. Dealer: Sharman Group in Manchester. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2020-929ac3cebfff
• 2020 Audi RS6 Avant Carbon Black, 4.0 petrol estate, black. Mileage: 36,500 miles. Price: £71,499, £3,451 less than this car. Dealer: Dynamic Cars in Dunstable. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2020-95254578cbda
• 2020 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey. Mileage: 39,000 miles. Price: £68,990, £5,960 less than this car. Dealer: Yorkshire's Prestige Centre in Bradford. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2020-27963d7786a3

• The nearest: 2020 Audi RS6 Avant Carbon Black, 4.0 petrol estate, grey, 51 miles from this car. Mileage: 71,000 miles. Price: £57,500, £17,450 less than this car. Dealer: PSF Cars in Macclesfield. AskCar page: https://askcar.co.uk/car/audi-rs6-avant-2020-386feb68bbc9