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: 31,243 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Green
• CO2: 232 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 31,243 miles, this 2021 BMW M3 Competition has covered about 5,300 more miles than other 2021 BMW M3 cars. The dealer is asking £59,990, which is £6,858 above the AskCar estimate of £53,132. To work out the AskCar estimate, we analyse UK dealer adverts for 752 BMW M3 cars across different ages and specifications. We have tracked this advert for 160 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is SS Automotive Cars Sheffield, based in Sheffield. 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: £6,858 (12%) over the AskCar estimate of £53,132.

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 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £58,249. Its asking price is now £59,990, £1,741 more.

Price changes recorded:

• 29 May 2026: £58,249
• 3 August 2026: £49,990
• 6 August 2026: £59,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 13 March 2027.

It has had 3 MOTs. The latest, on 7 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,153 miles, which matches the advertised 31,243 miles.

Advertised mileage is about 5,300 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, grey. Mileage: 31,000 miles. Price: £56,950, £3,040 less than this car. Dealer: Carbon Collection in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-1afb961dfe4e
• 2021 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 32,463 miles. Price: £50,980, £9,010 less than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-12d9768d50dd
• 2021 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 33,201 miles. Price: £52,995, £6,995 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