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: 34,150 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

The advertised mileage for this 2021 BMW M4 Competition is 34,150 miles. Priced at £46,990, it is advertised £843 above the AskCar estimate of £46,147. The AskCar estimate draws on 738 BMW M4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 82 days ago, the asking price has dropped by £1,000. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Noya Motor Group in Peterborough. 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: £843 (1%) over the AskCar estimate of £46,147.

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 82 days.

Price history

AskCar first saw this advert on 12 August 2026 at £47,990. Its asking price is now £46,990, £1,000 less. The latest price cut was seen on 15 September 2026.

Price changes recorded:

• 12 August 2026: £47,990
• 15 September 2026: £46,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 December 2026.

It has had 3 MOTs. The latest, on 19 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 32,178 miles, which matches the advertised 34,150 miles.

Advertised mileage is about 1,400 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: 33,850 miles. Price: £49,000, £2,010 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: 33,500 miles. Price: £50,250, £3,260 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: 33,345 miles. Price: £46,489, £501 less than this car. Dealer: The Hertford Car Company in Hertford. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-22eaf01d917e

• The nearest: 2021 BMW M4 Competition, 3.0 petrol coupe, red, 1 miles from this car. Mileage: 19,103 miles. Price: £49,488, £2,498 more than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-d0bcfa4fc8de