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: 15,000 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 15,000 miles, this 2021 BMW M3 Competition has covered about 11,900 fewer miles than other 2021 BMW M3 cars. Its asking price of £52,700 is £4,858 below the AskCar estimate of £57,558. To work out the AskCar estimate, we analyse UK dealer adverts for 756 BMW M3 cars across different ages and specifications. We first recorded this advert 158 days ago, and its asking price has since fallen by £5,695. Its advertised mileage matches the government's MOT record. It is for sale at Hitchfields in Huddersfield. 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

Good value: £4,858 (8%) under the AskCar estimate of £57,558.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £58,395. Its asking price is now £52,700, £5,695 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 29 May 2026: £58,395
• 1 June 2026: £57,995
• 16 June 2026: £57,195
• 18 June 2026: £56,747
• 26 June 2026: £56,395
• 6 July 2026: £55,990
• 21 July 2026: £55,800
• 25 July 2026: £55,590
• 3 August 2026: £55,385
• 21 August 2026: £55,000
• 24 August 2026: £54,852
• 12 September 2026: £54,295
• 19 September 2026: £53,995
• 25 September 2026: £53,700
• 9 October 2026: £53,350
• 16 October 2026: £52,995
• 27 October 2026: £52,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 April 2027.

It has had 3 MOTs. The latest, on 20 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 14,542 miles, which matches the advertised 15,000 miles.

Advertised mileage is about 11,900 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, black. Mileage: 15,816 miles. Price: £57,590, £4,890 more than this car. Dealer: Stratstone BMW Tunbridge Wells in Royal Tunbridge Wells. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-4f233d6e980c
• 2021 BMW M3 Competition, 3.0 petrol saloon, black. Mileage: 16,000 miles. Price: £56,995, £4,295 more than this car. Dealer: Waterways Prestige in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-a730496dd9e8
• 2021 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 17,981 miles. Price: £58,300, £5,600 more than this car. Dealer: John Clark BMW Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-b96af864bcef

• The nearest: 2021 BMW M3 Competition, 3.0 petrol saloon, blue, 10 miles from this car. Mileage: 21,784 miles. Price: £49,995, £2,705 less than this car. Dealer: Prestige and Performance Cars Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-63075a385b76