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: 35,000 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 has covered 35,000 miles, around 3,000 more miles than is typical for its age. The AskCar estimate for this car is £45,828. It is priced at £44,995, which is £833 below that estimate. The AskCar estimate uses UK dealer asking prices, including 738 BMW M4 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 76 days ago. Its asking price has since fallen by £1,000. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at AH Specialist Cars in Watford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £833 (1%) under the AskCar estimate of £45,828.

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 4 November 2026.

A 2021 BMW M4 with the 3.0 petrol engine is typically advertised at £46,500: the median of the 62 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW M4 has been on sale for at least 76 days.

Price history

AskCar first saw this advert on 20 August 2026 at £45,995. Its asking price is now £44,995, £1,000 less. The latest price cut was seen on 2 September 2026.

Price changes recorded:

• 20 August 2026: £45,995
• 2 September 2026: £44,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 10 April 2027.

It failed its MOT on 1 April 2026 (tyre has ply or cords exposed BOTH REAR) and passed 6 days later, on 7 April 2026.

There were no advisories at the latest test.

Mileage at that test: 34,710 miles, which matches the advertised 35,000 miles.

Advertised mileage is about 3,000 miles higher than the median mileage of a 2021 BMW M4 on AskCar.

Similar cars

49 other 2021 BMW M4 Competition 3.0 petrol automatic coupes are for sale at UK dealers, from £30,000 to £58,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW M4 Competition, 3.0 petrol coupe, blue. Mileage: 35,000 miles. Price: £30,000, £14,995 less than this car. Dealer: PF Car Sales in Burton upon Trent. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-05e45cb669f6
• 2021 BMW M4 Competition, 3.0 petrol coupe, grey. Mileage: 34,150 miles. Price: £46,990, £1,995 more than this car. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-d86fa1db10e2
• 2021 BMW M4 Competition, 3.0 petrol coupe, grey. Mileage: 36,000 miles. Price: £46,495, £1,500 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-8cef3a294966

• The nearest: 2021 BMW M4 Competition, 3.0 petrol coupe, blue, 8 miles from this car. Mileage: 36,000 miles. Price: £47,898, £2,903 more than this car. Dealer: Auto Vuego Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-ab4fa5aaea8f