2021 Audi RS4 Avant 2.9 TFSI V6 Carbon Black

Price: £46,000. Fair price: £1,741 (3%) under the AskCar estimate of £47,741, our expected asking price for this car from its model, age, mileage and specification, drawing on 211 priced Audi RS4 Avant adverts on AskCar as of 5 November 2026.

AskCar lists 220 used Audi RS4 Avant from 181 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: RS4 Avant
  • Trim: Carbon Black
  • Version: 2.9 TFSI V6 Carbon Black Tiptronic 4WD Euro 6 (s/s) 5dr (444 bhp)
  • Year: 2021
  • Mileage: 39,013 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.9 litres, 444 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 227 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Audi RS4 Avant Carbon Black is 39,013 miles. Its asking price of £46,000 is £1,741 below the AskCar estimate of £47,741. The AskCar estimate uses UK dealer asking prices, including 211 Audi RS4 Avant adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 70 days ago. Its asking price has since fallen by £4,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is JCT600 Volkswagen Sheffield, based in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,741 (3%) under the AskCar estimate of £47,741.

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 211 priced Audi RS4 Avant adverts across different ages and specifications, as of 5 November 2026.

A 2021 Audi RS4 Avant with the 2.9 petrol engine is typically advertised at £46,400: the median of the 20 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 Audi RS4 Avant has been on sale for at least 70 days.

Price history

AskCar first saw this advert on 27 August 2026 at £50,000. Its asking price is now £46,000, £4,000 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 27 August 2026: £50,000
  • 8 September 2026: £47,667
  • 15 September 2026: £47,464
  • 26 September 2026: £47,299
  • 7 October 2026: £46,306
  • 5 November 2026: £46,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 17 June 2027.

It has had 3 MOTs. The latest, on 3 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 37,894 miles, which matches the advertised 39,013 miles.

Advertised mileage is about 1,000 miles lower than the median mileage of a 2021 Audi RS4 Avant on AskCar.

Similar cars

11 other 2021 Audi RS4 Avant Carbon Black 2.9 petrol automatic estates are for sale at UK dealers, from £39,995 to £64,995, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black. Mileage: 38,897 miles. Price: £44,500, £1,500 less than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-a3b72f31150a
  • 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black. Mileage: 34,000 miles. Price: £52,995, £6,995 more than this car. Dealer: A C G Motors in Manchester. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-83934e7b6f79
  • 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, grey. Mileage: 45,000 miles. Price: £46,949, £949 more than this car. Dealer: A1 Ortos in Oldham. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-1819137cdbec
  • The nearest: 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black, 26 miles from this car. Mileage: 27,145 miles. Price: £49,690, £3,690 more than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-73b0c6997188

Browse all Audi RS4 Avant cars for sale · 2021 Audi RS4 Avant price guide

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Photos

40 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.