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: 48,756 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.9 litres, 444 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 225 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 48,756 miles on the clock, this 2021 Audi RS4 Avant Carbon Black has done roughly 8,700 more miles than a typical 2021 Audi RS4 Avant. The AskCar estimate for this car is £45,179. It is priced at £43,127, which is £2,052 below that estimate. 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 105 days ago. Its asking price has since fallen by £4,374. The government's MOT record matches its advertised mileage. It is for sale at Prestige Cars Kent in Orpington. 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: £2,052 (4%) under the AskCar estimate of £45,179.

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 105 days.

Price history

AskCar first saw this advert on 23 July 2026 at £47,501. Its asking price is now £43,127, £4,374 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 23 July 2026: £47,501
• 8 August 2026: £47,287
• 11 August 2026: £47,081
• 15 August 2026: £46,834
• 20 August 2026: £46,599
• 25 August 2026: £46,056
• 28 August 2026: £45,847
• 2 September 2026: £45,448
• 15 September 2026: £45,300
• 19 September 2026: £45,042
• 26 September 2026: £44,688
• 1 October 2026: £44,574
• 6 October 2026: £44,379
• 15 October 2026: £44,187
• 17 October 2026: £43,524
• 20 October 2026: £43,345
• 24 October 2026: £43,235
• 29 October 2026: £43,127

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 23 July 2027.

It has had 3 MOTs. The latest, on 24 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 48,761 miles, which matches the advertised 48,756 miles.

Advertised mileage is about 8,700 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black. Mileage: 47,000 miles. Price: £47,995, £4,868 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, grey. Mileage: 51,944 miles. Price: £39,995, £3,132 less than this car. Dealer: MB Motor Group in Bradford. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-4ccad79cdb4f
• 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, blue. Mileage: 45,158 miles. Price: £44,991, £1,864 more than this car. Dealer: Preston Ramsey Cars in Thornaby-on-Tees. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-1ee3b162c903