2021 BMW M4 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic Euro 6 (s/s) 2dr (503 bhp)
• Year: 2021
• Mileage: 55,483 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Colour: White
• CO2: 229 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 55,483 miles, this 2021 BMW M4 Competition has covered about 22,700 more miles than other 2021 BMW M4 cars. The AskCar estimate for this car is £42,992. It is priced at £45,490, which is £2,498 above that estimate. The AskCar estimate uses 738 UK dealer adverts for the BMW M4, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 66 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Select Bracknell, based in Bracknell. 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: £2,498 (5%) over the AskCar estimate of £42,992.

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 66 days.

Price history

AskCar first saw this advert on 28 August 2026 at £46,490. Its asking price is now £45,490, £1,000 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

• 28 August 2026: £46,490
• 30 September 2026: £45,990
• 25 October 2026: £45,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 July 2027.

It has had 3 MOTs. The latest, on 2 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,980 miles, which matches the advertised 55,483 miles.

Advertised mileage is about 22,700 miles higher 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, black. Mileage: 57,920 miles. Price: £41,500, £3,990 less than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-5c1f75a22b04
• 2021 BMW M4 Competition, 3.0 petrol coupe, blue. Mileage: 53,000 miles. Price: £45,750, £260 more than this car. Dealer: Boss Motor Company in Chesham. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-4ed6487cba52
• 2021 BMW M4 Competition, 3.0 petrol coupe, blue. Mileage: 61,103 miles. Price: £41,000, £4,490 less than this car. Dealer: ESP Cars in Long Eaton. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-e42a909eaf85

• The nearest: 2021 BMW M4 Competition, 3.0 petrol coupe, grey, 6 miles from this car. Mileage: 49,500 miles. Price: £46,950, £1,460 more than this car. Dealer: Lodge Motor Co in Yateley. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-9446cd5c9977