2021 BMW M3 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 4dr M (503 bhp)
• Year: 2021
• Mileage: 34,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: White
• CO2: 229 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW M3 Competition is advertised with 34,000 miles, approximately 8,000 above the typical mileage for its age. The AskCar estimate for this car is £57,298. It is priced at £64,995, which is £7,697 above that estimate. The AskCar estimate uses UK dealer asking prices, including 752 BMW M3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 105 days. Its advertised mileage matches the government's MOT record. You can find this car at V G Performance Cars in Andover. 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

Above the going rate: £7,697 (13%) over the AskCar estimate of £57,298.

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 752 priced BMW M3 adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW M3 with the 3.0 petrol engine is typically advertised at £54,000: the median of the 43 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW M3 has been on sale for at least 105 days.

Price history

AskCar first saw this advert on 22 July 2026 at £64,995. Its asking price has not changed.

Price changes recorded:

• 23 July 2026: £64,995
• 19 August 2026: £63,995
• 15 September 2026: £61,995
• 1 October 2026: £62,995
• 9 October 2026: £59,995
• 18 October 2026: £64,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 7 November 2026.

It has had 2 MOTs. The latest, on 22 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 29,799 miles, which matches the advertised 34,000 miles.

Advertised mileage is about 8,000 miles higher than the median mileage of a 2021 BMW M3 on AskCar.

Similar cars

38 other 2021 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £42,989 to £78,999, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW M3 Competition, 3.0 petrol saloon, green. Mileage: 34,456 miles. Price: £51,995, £13,000 less than this car. Dealer: Brook Cars Company in Telford. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-f3854ae9d46e
• 2021 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 33,201 miles. Price: £52,995, £12,000 less than this car. Dealer: Park's Motor Group Douglas Park BMW Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-051f78c4e9bf
• 2021 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 35,466 miles. Price: £52,750, £12,245 less than this car. Dealer: Priddy's Motor Company in Minehead. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-990ad2add846

• The nearest: 2021 BMW M3 Competition, 3.0 petrol saloon, black, 31 miles from this car. Mileage: 19,095 miles. Price: £54,995, £10,000 less than this car. Dealer: Group 1 Farnborough BMW in Farnborough. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-161d8ea95b3d