2021 Audi RS4 Avant 2.9 Carbon Black

Price: £49,500. Fair price: £3,254 (7%) over the AskCar estimate of £46,246, our expected asking price for this car from its model, age, mileage and specification, drawing on 211 priced Audi RS4 Avant adverts on AskCar as of 5 November 2026.

AskCar lists 220 used Audi RS4 Avant from 181 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: RS4 Avant
  • Trim: Carbon Black
  • Version: 2.9 RS 4 Carbon Black Tiptronic 4WD Euro 6 5dr (443 bhp)
  • Year: 2021
  • Mileage: 41,036 miles
  • Fuel: Petrol
  • Body: 5 doors, 5 seats
  • Engine: 2.9 litres, 443 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 226 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi RS4 Avant Carbon Black has covered 41,036 miles. The dealer is asking £49,500, which is £3,254 above the AskCar estimate of £46,246. To work out the AskCar estimate, we analyse UK dealer adverts for 211 Audi RS4 Avant cars across different ages and specifications. It first appeared in our advert records 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Group Leicester Audi, based in Leicester. 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: £3,254 (7%) over the AskCar estimate of £46,246.

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

AskCar first saw this 2021 Audi RS4 Avant advertised 1 day ago.

Price history

AskCar first saw this advert on 4 November 2026 at £49,500. 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 22 June 2027.

It has had 4 MOTs. The latest, on 5 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 37,266 miles, which matches the advertised 41,036 miles.

Advertised mileage is about 1,000 miles higher than the median mileage of a 2021 Audi RS4 Avant on AskCar.

Browse all Audi RS4 Avant cars for sale · 2021 Audi RS4 Avant price guide

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As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.