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: 51,944 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

At 51,944 miles, this 2021 Audi RS4 Avant Carbon Black has covered about 11,900 more miles than other 2021 Audi RS4 Avant cars. The AskCar estimate for this car is £44,370. It is priced at £39,995, which is £4,375 below that estimate. The AskCar estimate draws on 211 Audi RS4 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 9 days ago. Its advertised mileage matches the government's MOT record. The seller is MB Motor Group, based in Bradford. 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

Good value: £4,375 (9%) under the AskCar estimate of £44,370.

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 9 days.

Price history

AskCar first saw this advert on 27 October 2026 at £39,995. 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 5 November 2026: valid until 3 April 2027.

It has had 3 MOTs. The latest, on 4 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,080 miles, which matches the advertised 51,944 miles.

Advertised mileage is about 11,900 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: 52,478 miles. Price: £45,991, £5,996 more than this car. Dealer: Alwoodley Motors in Leeds. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-50c20e17b53b
• 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black. Mileage: 48,756 miles. Price: £43,127, £3,132 more than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-c28357a4012b
• 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black. Mileage: 47,000 miles. Price: £47,995, £8,000 more than this car. Dealer: GB Vehicles in Edgware. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-cbb2f9770d7a