2021 BMW M3 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic RWD Euro 6 (s/s) 4dr (503 bhp)
• Year: 2021
• Mileage: 47,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 232 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 47,000 miles, this 2021 BMW M3 Competition has covered about 20,100 more miles than other 2021 BMW M3 cars. Its asking price of £47,990 is £301 below the AskCar estimate of £48,291. The AskCar estimate draws on 756 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 68 days ago, and its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Vogue Motor Company in Bolton. 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: £301 (under 1%) under the AskCar estimate of £48,291.

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 756 priced BMW M3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 BMW M3 with the 3.0 petrol engine is typically advertised at £53,500: the median of the 42 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 BMW M3 has been on sale for at least 68 days.

Price history

AskCar first saw this advert on 26 August 2026 at £49,990. Its asking price is now £47,990, £2,000 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 26 August 2026: £49,990
• 22 September 2026: £48,990
• 20 October 2026: £47,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 July 2027.

It has had 3 MOTs. The latest, on 30 July 2026, passed.

Advisories at the latest test: offside rear nail in tyre.

Mileage at that test: 45,762 miles, which matches the advertised 47,000 miles.

Advertised mileage is about 20,100 miles higher than the median mileage of a 2021 BMW M3 on AskCar.

Similar cars

37 other 2021 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £42,989 to £78,999, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW M3 Competition, 3.0 petrol saloon, green. Mileage: 47,786 miles. Price: £47,999, the same price as this car. Dealer: Halliwell Jones Wilmslow BMW in Wilmslow. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-8c70031d7930
• 2021 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 48,000 miles. Price: £49,985, £1,995 more than this car. Dealer: Brooklands Motor Centre in Leeds. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-98e65ff29301
• 2021 BMW M3 Competition, 3.0 petrol saloon, yellow. Mileage: 45,511 miles. Price: £49,800, £1,810 more than this car. Dealer: Brook Cars Company in Telford. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-48eadefc5496

• The nearest: 2021 BMW M3 Competition, 3.0 petrol saloon, grey, 6 miles from this car. Mileage: 32,463 miles. Price: £50,980, £2,990 more than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-12d9768d50dd