2021 BMW M4 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 2dr M (503 bhp)
• Year: 2021
• Mileage: 33,500 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 229 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW M4 Competition has covered 33,500 miles. The dealer is asking £50,250, which is £1,085 above the AskCar estimate of £49,165. To work out the AskCar estimate, we analyse UK dealer adverts for 738 BMW M4 cars across different ages and specifications. We first recorded this advert 102 days ago, and its asking price has since fallen by £4,750. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Specialist Cars Kingswinford, based in Kingswinford. 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: £1,085 (2%) over the AskCar estimate of £49,165.

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 102 days.

Price history

AskCar first saw this advert on 23 July 2026 at £55,000. Its asking price is now £50,250, £4,750 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 24 July 2026: £55,000
• 5 August 2026: £53,000
• 29 September 2026: £52,250
• 17 October 2026: £50,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 January 2027.

It has had 3 MOTs. The latest, on 23 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 28,231 miles, which matches the advertised 33,500 miles.

Advertised mileage is about 800 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: 33,345 miles. Price: £46,489, £3,761 less than this car. Dealer: The Hertford Car Company in Hertford. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-22eaf01d917e
• 2021 BMW M4 Competition, 3.0 petrol coupe, grey. Mileage: 33,850 miles. Price: £49,000, £1,250 less 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, £3,260 less than this car. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-d86fa1db10e2

• The nearest: 2021 BMW M4 Competition, 3.0 petrol coupe, grey, 10 miles from this car. Mileage: 24,000 miles. Price: £34,977, £15,273 less than this car. Dealer: J.L.A.N Motor Group in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-a3a1883e6bed