2021 BMW M4 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic Euro 6 (s/s) 2dr (503 bhp)
• Year: 2021
• Mileage: 46,778 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Colour: Grey
• CO2: 229 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW M4 Competition has covered 46,778 miles, around 14,800 more miles than is typical for its age. The AskCar estimate for this car is £45,024. It is priced at £45,990, which is £966 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 738 BMW M4 cars across different ages and specifications. This car was first seen in our listings data 20 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Bowker BMW Preston, based in Preston. 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: £966 (2%) over the AskCar estimate of £45,024.

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

This 2021 BMW M4 has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 15 October 2026 at £45,990. 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 25 September 2027.

It has had 3 MOTs. The latest, on 11 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 46,526 miles, which matches the advertised 46,778 miles.

Advertised mileage is about 14,800 miles higher than the median mileage of a 2021 BMW M4 on AskCar.

Similar cars

49 other 2021 BMW M4 Competition 3.0 petrol automatic coupes are for sale at UK dealers, from £30,000 to £58,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW M4 Competition, 3.0 petrol coupe, grey. Mileage: 48,821 miles. Price: £45,340, £650 less than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-91477b591e5b
• 2021 BMW M4 Competition, 3.0 petrol coupe, yellow. Mileage: 44,675 miles. Price: £47,495, £1,505 more than this car. Dealer: ZG Prestige in Bolton. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-bbfa75956101
• 2021 BMW M4 Competition, 3.0 petrol coupe, blue. Mileage: 44,282 miles. Price: £48,671, £2,681 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-642338f200ed