2021 BMW M3 3.0 BiTurbo Competition

Price: £49,995. Good value: £5,671 (10%) under the AskCar estimate of £55,666, our expected asking price for this car from its model, age, mileage and specification, drawing on 756 priced BMW M3 adverts on AskCar as of 2 November 2026.

AskCar lists 811 used BMW M3 from 475 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: M3
  • Trim: Competition
  • Version: 3.0 BiTurbo Competition Steptronic RWD Euro 6 (s/s) 4dr (503 bhp)
  • Year: 2021
  • Mileage: 21,784 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 503 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 224 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 21,784 miles, this 2021 BMW M3 Competition has covered about 5,100 fewer miles than other 2021 BMW M3 cars. The AskCar estimate for this car is £55,666. It is priced at £49,995, which is £5,671 below that estimate. The AskCar estimate uses 756 UK dealer adverts for the BMW M3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 44 days ago, the asking price has dropped by £5,155. Its advertised mileage matches the government's MOT record. The seller is Prestige and Performance Cars Wakefield, based in Ossett. 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: £5,671 (10%) under the AskCar estimate of £55,666.

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 44 days.

Price history

AskCar first saw this advert on 19 September 2026 at £55,150. Its asking price is now £49,995, £5,155 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

  • 19 September 2026: £55,150
  • 5 October 2026: £54,880
  • 13 October 2026: £54,378
  • 18 October 2026: £54,360
  • 22 October 2026: £49,995
  • 23 October 2026: £54,034
  • 29 October 2026: £49,995

Mileage and MOT

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

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

There were no advisories at the latest test.

Mileage at that test: 21,668 miles, which matches the advertised 21,784 miles.

Advertised mileage is about 5,100 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, grey. Mileage: 22,000 miles. Price: £44,995, £5,000 less than this car. Dealer: Hiline Motors in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-f55b34d3700e
  • 2021 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 21,469 miles. Price: £52,000, £2,005 more than this car. Dealer: White Rose Automotive in Barnsley. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-e6d1382f0676
  • 2021 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 23,000 miles. Price: £52,995, £3,000 more than this car. Dealer: The Car Agents in Hitchin. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-8e42f43419fe
  • The nearest: 2021 BMW M3 Competition, 3.0 petrol saloon, grey, 8 miles from this car. Mileage: 48,000 miles. Price: £49,985, the same price as this car. Dealer: Brooklands Motor Centre in Leeds. AskCar page: https://askcar.co.uk/car/bmw-m3-2021-98e65ff29301

Browse all BMW M3 cars for sale · 2021 BMW M3 price guide

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Photos

104 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.