2021 Audi RS4 Avant 2.9 TFSI V6 Carbon Black

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: 45,158 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.9 litres, 444 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 227 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi RS4 Avant Carbon Black is advertised with 45,158 miles, approximately 4,100 above the typical mileage for its age. Priced at £44,991, it is advertised £1,018 below the AskCar estimate of £46,009. The AskCar estimate draws on 215 Audi RS4 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 12 days ago, the asking price has dropped by £499. The government's MOT record matches its advertised mileage. You can find this car at Preston Ramsey Cars in Stockton-on-Tees. 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: £1,018 (2%) under the AskCar estimate of £46,009.

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 215 priced Audi RS4 Avant adverts across different ages and specifications, as of 6 November 2026.

A 2021 Audi RS4 Avant with the 2.9 petrol engine is typically advertised at £46,000: the median of the 21 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Audi RS4 Avant has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 25 October 2026 at £45,490. Its asking price is now £44,991, £499 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 25 October 2026: £45,490
• 29 October 2026: £44,991

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 11 June 2027.

It has had 4 MOTs. The latest, on 12 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,273 miles, which matches the advertised 45,158 miles.

Advertised mileage is about 4,100 miles higher 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 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, grey. Mileage: 45,000 miles. Price: £46,949, £1,958 more than this car. Dealer: A1 Ortos in Oldham. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-1819137cdbec
• 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black. Mileage: 47,000 miles. Price: £47,995, £3,004 more than this car. Dealer: GB Vehicles in Edgware. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-cbb2f9770d7a
• 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black. Mileage: 48,756 miles. Price: £43,127, £1,864 less than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-c28357a4012b

• The nearest: 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black, 53 miles from this car. Mileage: 52,478 miles. Price: £45,991, £1,000 more than this car. Dealer: Alwoodley Motors in Leeds. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-50c20e17b53b