2021 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto Euro 6 4dr (502 bhp)
• Year: 2021
• Mileage: 48,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 502 bhp
• Gearbox: Automatic
• Colour: Grey
• CO2: 224 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW M3 Competition is advertised with 48,000 miles, approximately 21,100 above the typical mileage for its age. Its asking price of £49,985 is £274 above the AskCar estimate of £49,711. The AskCar estimate uses 756 UK dealer adverts for the BMW M3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 83 days ago. Its asking price has since fallen by £2,000. The recorded MOT expired on 17 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Brooklands Motor Centre in Leeds. 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: £274 (under 1%) over the AskCar estimate of £49,711.

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 83 days.

Price history

AskCar first saw this advert on 11 August 2026 at £51,985. Its asking price is now £49,985, £2,000 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 11 August 2026: £51,985
• 9 September 2026: £51,485
• 9 October 2026: £50,485
• 22 October 2026: £49,985

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 17 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 18 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 42,553 miles, which matches the advertised 48,000 miles.

Advertised mileage is about 21,100 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, £1,986 less than 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: 47,000 miles. Price: £47,990, £1,995 less than this car. Dealer: Vogue Motor Company in Bolton. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-4b2b85614bc6
• 2021 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 49,274 miles. Price: £49,995, the same price as this car. Dealer: Silsoe Prestige Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-c5b629d2ac64

• The nearest: 2021 BMW M3 Competition, 3.0 petrol saloon, blue, 8 miles from this car. Mileage: 21,784 miles. Price: £49,995, the same price as this car. Dealer: Prestige and Performance Cars Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-63075a385b76