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: 5,621 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Blue
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW M3 Competition has covered 5,621 miles, around 21,300 fewer miles than is typical for its age. The AskCar estimate for this car is £61,532. It is priced at £65,249, which is £3,717 above that estimate. The AskCar estimate uses 756 UK dealer adverts for the BMW M3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 124 days ago. It is for sale at 101 Specialist Cars in Manchester. 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: £3,717 (6%) over the AskCar estimate of £61,532.

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 124 days.

Price history

AskCar first saw this advert on 1 July 2026 at £65,249. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 21,300 miles lower 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: 5,000 miles. Price: £77,450, £12,201 more than this car. Dealer: Digbeth Motor Sales in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-306110aa649a
• 2021 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 4,000 miles. Price: £69,950, £4,701 more than this car. Dealer: Signature Car Group in Rochford. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-9e87c45863cb
• 2021 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 7,300 miles. Price: £74,500, £9,251 more than this car. Dealer: 51 X in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-67aa8fa934e1

• The nearest: 2021 BMW M3 Competition, 3.0 petrol saloon, green, 7 miles from this car. Mileage: 47,786 miles. Price: £47,999, £17,250 less than this car. Dealer: Halliwell Jones Wilmslow BMW in Wilmslow. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-8c70031d7930