2021 BMW M4 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 2dr M (503 bhp)
• Year: 2021
• Mileage: 15,350 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Orange
• CO2: 233 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 15,350 miles on the clock, this 2021 BMW M4 Competition has done roughly 16,600 fewer miles than a typical 2021 BMW M4. The AskCar estimate for this car is £53,071. It is priced at £52,495, which is £576 below that estimate. The AskCar estimate draws on 738 BMW M4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 5 days. The government's MOT record matches its advertised mileage. You can find this car at ZG Prestige in Bolton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £576 (1%) under the AskCar estimate of £53,071.

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 738 priced BMW M4 adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW M4 with the 3.0 petrol engine is typically advertised at £46,500: the median of the 62 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 BMW M4 advertised 5 days ago.

Price history

AskCar first saw this advert on 30 October 2026 at £52,495. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 December 2026.

It has had 3 MOTs. The latest, on 17 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 13,730 miles, which matches the advertised 15,350 miles.

Advertised mileage is about 16,600 miles lower than the median mileage of a 2021 BMW M4 on AskCar.

Similar cars

2 other 2021 BMW M4 Competition 3.0 petrol automatic convertibles are for sale at UK dealers, from £45,995 to £46,994, as of 4 November 2026.

The 2 closest to this car in mileage:

• 2021 BMW M4 Competition, 3.0 petrol convertible, blue. Mileage: 34,000 miles. Price: £46,994, £5,501 less 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, black. Mileage: 49,800 miles. Price: £45,995, £6,500 less than this car. Dealer: SA Specialist Cars SOT in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-b61f83e5431e