2021 BMW M4 3.0 Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 Competition Auto 4WD Euro 6 2dr (502 bhp)
• Year: 2021
• Mileage: 31,806 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 502 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 233 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW M4 Competition has covered 31,806 miles. Priced at £45,000, it is advertised £2,398 below the AskCar estimate of £47,398. To work out the AskCar estimate, we analyse UK dealer adverts for 727 BMW M4 cars across different ages and specifications. The asking price is now £8,000 lower than when we first recorded the advert 156 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Coventry BMW, based in Coventry. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,398 (5%) under the AskCar estimate of £47,398.

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 727 priced BMW M4 adverts across different ages and specifications, as of 6 November 2026.

A 2021 BMW M4 with the 3.0 petrol engine is typically advertised at £46,400: the median of the 60 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 BMW M4 has been on sale for at least 156 days.

Price history

AskCar first saw this advert on 3 June 2026 at £53,000. Its asking price is now £45,000, £8,000 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 3 June 2026: £53,000
• 30 June 2026: £52,690
• 13 July 2026: £51,980
• 23 July 2026: £51,490
• 6 August 2026: £50,890
• 22 August 2026: £49,950
• 18 September 2026: £49,000
• 22 September 2026: £48,000
• 23 September 2026: £47,000
• 2 October 2026: £46,950
• 14 October 2026: £46,000
• 27 October 2026: £45,500
• 28 October 2026: £45,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 21 December 2026.

It has had 2 MOTs. The latest, on 22 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 29,202 miles, which matches the advertised 31,806 miles.

Advertised mileage is about 800 miles lower than the median mileage of a 2021 BMW M4 on AskCar.

Similar cars

3 other 2021 BMW M4 Competition 3.0 petrol automatic convertibles are for sale at UK dealers, from £44,995 to £52,495, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW M4 Competition, 3.0 petrol convertible, blue. Mileage: 34,000 miles. Price: £46,994, £1,994 more than this car. Dealer: Tt Sports & Prestige Cars in Derby. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-c7fd41ef0a27
• 2021 BMW M4 Competition, 3.0 petrol convertible, orange. Mileage: 15,350 miles. Price: £52,495, £7,495 more than this car. Dealer: ZG Prestige in Bolton. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-a0857ba10c49
• 2021 BMW M4 Competition, 3.0 petrol convertible, black. Mileage: 49,800 miles. Price: £44,995, the same price as this car. Dealer: SA Specialist Cars SOT in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-b61f83e5431e