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: 45,000 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

With 45,000 miles on the clock, this 2021 Audi RS4 Avant Carbon Black has done roughly 5,000 more miles than a typical 2021 Audi RS4 Avant. The dealer is asking £46,949, which is £799 above the AskCar estimate of £46,150. To work out the AskCar estimate, we analyse UK dealer adverts for 211 Audi RS4 Avant cars across different ages and specifications. We first saw this car advertised 75 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at A1 Ortos in Oldham. 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: £799 (1%) over the AskCar estimate of £46,150.

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 75 days.

Price history

AskCar first saw this advert on 22 August 2026 at £48,949. Its asking price is now £46,949, £2,000 less. The latest price cut was seen on 19 September 2026.

Price changes recorded:

• 22 August 2026: £48,949
• 19 September 2026: £46,949

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 12 May 2027.

It has had 3 MOTs. The latest, on 1 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,251 miles, which matches the advertised 45,000 miles.

Advertised mileage is about 5,000 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, blue. Mileage: 45,158 miles. Price: £44,991, £1,958 less than this car. Dealer: Preston Ramsey Cars in Thornaby-on-Tees. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-1ee3b162c903
• 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black. Mileage: 47,000 miles. Price: £47,995, £1,046 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, £3,822 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, 2 miles from this car. Mileage: 34,000 miles. Price: £52,995, £6,046 more than this car. Dealer: A C G Motors in Manchester. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-83934e7b6f79