2020 Audi RS6 Avant 4.0 Carbon Black

Price: £70,000. Fair price: £442 (under 1%) over the AskCar estimate of £69,558, our expected asking price for this car from its model, age, mileage and specification, drawing on 275 priced Audi RS6 Avant adverts on AskCar as of 6 November 2026.

AskCar lists 283 used Audi RS6 Avant from 208 UK dealerships, as of 6 November 2026.

Overview

  • Make: Audi
  • Model: RS6 Avant
  • Trim: Carbon Black
  • Version: 4.0 RS 6 Carbon Black Tiptronic 4WD Euro 6 5dr (591 bhp)
  • Year: 2020
  • Mileage: 36,501 miles
  • Fuel: Petrol
  • Body: 5 doors, 4 seats
  • Engine: 4.0 litres, 591 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 290 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi RS6 Avant Carbon Black has covered 36,501 miles, around 8,500 fewer miles than is typical for its age. Priced at £70,000, it is advertised £442 above the AskCar estimate of £69,558. The AskCar estimate uses UK dealer asking prices, including 275 Audi RS6 Avant adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 3 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group Huddersfield Audi, based in Huddersfield. 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: £442 (under 1%) over the AskCar estimate of £69,558.

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 2020 Audi RS6 Avant with the 4.0 petrol engine is typically advertised at £70,000: the median of the 47 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2020 Audi RS6 Avant advertised 3 days ago.

Price history

AskCar first saw this advert on 3 November 2026 at £70,000. 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 6 November 2026: valid until 31 May 2027.

It failed its MOT on 20 May 2026 (front registration plate does not conform to the specified requirements tinted number plate; rear registration plate does not conform to the specified requirements tinted number plate) and passed 6 days later, on 26 May 2026.

There were no advisories at the latest test.

Mileage at that test: 33,083 miles, which matches the advertised 36,501 miles.

Advertised mileage is about 8,500 miles lower than the median mileage of a 2020 Audi RS6 Avant on AskCar.

Browse all Audi RS6 Avant cars for sale · 2020 Audi RS6 Avant price guide

More like this

Photos

29 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.