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: 38,897 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: 226 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Audi RS4 Avant Carbon Black is 38,897 miles. Its asking price of £44,500 is £3,273 below the AskCar estimate of £47,773. The AskCar estimate uses 211 UK dealer adverts for the Audi RS4 Avant, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 86 days ago. Its asking price has since fallen by £3,000. The recorded MOT expired on 29 October 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Saxtons.co.uk in Chelmsford. 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: £3,273 (6%) under the AskCar estimate of £47,773.

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 86 days.

Price history

AskCar first saw this advert on 11 August 2026 at £47,500. Its asking price is now £44,500, £3,000 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 11 August 2026: £47,500
• 19 August 2026: £47,150
• 25 August 2026: £47,000
• 3 September 2026: £46,650
• 16 September 2026: £46,200
• 29 September 2026: £45,700
• 14 October 2026: £44,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 29 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 30 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 28,827 miles, which matches the advertised 38,897 miles.

Advertised mileage is about 1,100 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, grey. Mileage: 39,013 miles. Price: £46,000, £1,500 more than this car. Dealer: JCT600 Volkswagen Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-6b96a0dd64cc
• 2021 Audi RS4 Avant Carbon Black, 2.9 petrol estate, black. Mileage: 34,000 miles. Price: £52,995, £8,495 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, £2,449 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, 29 miles from this car. Mileage: 48,756 miles. Price: £43,127, £1,373 less than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/audi-rs4-avant-2021-c28357a4012b