2021 BMW M4 3.0 BiTurbo Competition

Price: £48,945. Fair price: £205 (under 1%) under the AskCar estimate of £49,150, our expected asking price for this car from its model, age, mileage and specification, drawing on 738 priced BMW M4 adverts on AskCar as of 2 November 2026.

AskCar lists 761 used BMW M4 from 481 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: M4
  • Trim: Competition
  • Version: 3.0 BiTurbo Competition Steptronic RWD Euro 6 (s/s) 2dr (503 bhp)
  • Year: 2021
  • Mileage: 20,000 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 3.0 litres, 503 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 223 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW M4 Competition is advertised with 20,000 miles, approximately 12,700 below the typical mileage for its age. The AskCar estimate for this car is £49,150. It is priced at £48,945, which is £205 below that estimate. The AskCar estimate draws on 738 BMW M4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 21 days ago. The seller is Sedgley Group, based in Manchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £205 (under 1%) under the AskCar estimate of £49,150.

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 738 priced BMW M4 adverts across different ages and specifications, as of 2 November 2026.

A 2021 BMW M4 with the 3.0 petrol engine is typically advertised at £46,500: the median of the 64 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 BMW M4 has been on sale for at least 21 days.

Price history

AskCar first saw this advert on 12 October 2026 at £48,945. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 12,700 miles lower than the median mileage of a 2021 BMW M4 on AskCar.

Similar cars

51 other 2021 BMW M4 Competition 3.0 petrol automatic coupes are for sale at UK dealers, from £30,000 to £58,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW M4 Competition, 3.0 petrol coupe, red. Mileage: 19,103 miles. Price: £49,488, £543 more than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-d0bcfa4fc8de
  • 2021 BMW M4 Competition, 3.0 petrol coupe, red. Mileage: 21,150 miles. Price: £48,995, £50 more than this car. Dealer: Calder Motor Co in East Calder. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-91f76a641756
  • 2021 BMW M4 Competition, 3.0 petrol coupe, grey. Mileage: 21,196 miles. Price: £58,995, £10,050 more than this car. Dealer: RPM Motors (N.I.) in Belfast. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-504ee8721673
  • The nearest: 2021 BMW M4 Competition, 3.0 petrol coupe, black, 8 miles from this car. Mileage: 28,300 miles. Price: £44,945, £4,000 less than this car. Dealer: TMMC The Manchester Motor Company in Bolton. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-b929de963cb3

Browse all BMW M4 cars for sale · 2021 BMW M4 price guide

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Photos

48 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.