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: 33,345 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 33,345 miles. The AskCar estimate for this car is £46,340. It is priced at £46,489, which is £149 above 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 83 days ago. Its asking price has since fallen by £1,500. Our records show an MOT expiry date of 10 October 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. It is advertised by The Hertford Car Company in Bayford. 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: £149 (under 1%) over the AskCar estimate of £46,340.

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 83 days.

Price history

AskCar first saw this advert on 11 August 2026 at £47,989. Its asking price is now £46,489, £1,500 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 11 August 2026: £47,989
• 30 September 2026: £46,989
• 14 October 2026: £46,489

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 10 October 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 11 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 29,419 miles, which matches the advertised 33,345 miles.

Advertised mileage is about 600 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, grey. Mileage: 33,500 miles. Price: £50,250, £3,761 more than this car. Dealer: Specialist Cars Kingswinford in Kingswinford. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-37a08cd34f22
• 2021 BMW M4 Competition, 3.0 petrol coupe, grey. Mileage: 33,850 miles. Price: £49,000, £2,511 more than this car. Dealer: Autogalleria Harpenden in Harpenden. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-946da9f3f313
• 2021 BMW M4 Competition, 3.0 petrol coupe, grey. Mileage: 34,150 miles. Price: £46,990, £501 more than this car. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-d86fa1db10e2