2021 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto Euro 6 (502 bhp)
• Year: 2021
• Mileage: 14,800 miles
• Fuel: Petrol
• Body: 5 seats
• Engine: 3.0 litres, 502 bhp
• Gearbox: Automatic
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 14,800 miles on the clock, this 2021 BMW M3 Competition has done roughly 12,100 fewer miles than a typical 2021 BMW M3. Its asking price of £72,995 is £9,995 above the AskCar estimate of £63,000. The AskCar estimate draws on 744 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 95 days. It is for sale at Horizon Prestige in Dunstable. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £9,995 (15%) over the AskCar estimate of £63,000.

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 744 priced BMW M3 adverts across different ages and specifications, as of 7 November 2026.

A 2021 BMW M3 with the 3.0 petrol engine is typically advertised at £53,500: the median of the 44 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 BMW M3 has been on sale for at least 95 days.

Price history

AskCar first saw this advert on 4 August 2026 at £72,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 12,100 miles lower than the median mileage of a 2021 BMW M3 on AskCar.