2021 BMW M4 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic RWD Euro 6 (s/s) 2dr (503 bhp)
• Year: 2021
• Mileage: 40,646 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 223 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 40,646 miles, this 2021 BMW M4 Competition has covered about 7,900 more miles than other 2021 BMW M4 cars. The AskCar estimate for this car is £44,614. It is priced at £46,995, which is £2,381 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 738 BMW M4 cars across different ages and specifications. We first saw this car advertised 100 days ago. Its asking price has since fallen by £2,000. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at NSA Motor Vehicles in Milton Keynes. 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: £2,381 (5%) over the AskCar estimate of £44,614.

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 100 days.

Price history

AskCar first saw this advert on 25 July 2026 at £48,995. Its asking price is now £46,995, £2,000 less. The latest price cut was seen on 8 September 2026.

Price changes recorded:

• 25 July 2026: £48,995
• 8 September 2026: £46,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 May 2027.

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

There were no advisories at the latest test.

Mileage at that test: 36,813 miles, which matches the advertised 40,646 miles.

Advertised mileage is about 7,900 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: 40,128 miles. Price: £49,499, £2,504 more than this car. Dealer: BC Performance Cars in Stroud. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-56a4960c3797
• 2021 BMW M4 Competition, 3.0 petrol coupe, orange. Mileage: 40,000 miles. Price: £47,989, £994 more than this car. Dealer: Bluehawk Automotive in Hounslow. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-3904071b0583
• 2021 BMW M4 Competition, 3.0 petrol coupe, black. Mileage: 39,685 miles. Price: £47,750, £755 more than this car. Dealer: Sycamore BMW in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-313d99a16818

• The nearest: 2021 BMW M4 Competition, 3.0 petrol coupe, black, 16 miles from this car. Mileage: 57,920 miles. Price: £41,500, £5,495 less than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-5c1f75a22b04