2021 BMW M3

3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 4dr M (503 bhp)

£56,950

Fair price: within 8% of the typical £57,959 for this model, age and mileage, drawing on 767 adverts of this make and model.

Overview

Make
BMW
Model
M3
Trim
COMPETITION
Version
3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 4dr M (503 bhp)
Mileage
31,000 miles
Year
2021
Fuel type
Petrol
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
503 bhp
Seats
5
CO2
229 g/km
Colour
Grey
Doors
4
Driven wheels
Four Wheel Drive
Gearbox version
Steptronic
Engine badge
BiTurbo
Emissions standard
Euro 6

About this car

At 31,000 miles, this 2021 BMW M3 Competition has covered about 6,500 more miles than other 2021 BMW M3 cars. The dealer is asking £56,950, which is £1,009 below our market estimate of £57,959. Our estimate draws on 767 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 7 days ago. Its recorded MOT is valid until 3 August 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Carbon Collection, based in Sheffield.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 October 2026, 7 days ago. Advert duration calculated on 24 October 2026.

Recorded asking prices
Date observedAsking price
17 October 2026£56,950
22 October 2026£56,950

Price and mileage comparison

Estimated market asking price: £57,959. The asking price is £1,009 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 767 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 6,500 miles higher than typical for a 2021 BMW M3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 3 August 2027. 29,083 miles at the last test.

43 other cars with the same year, trim, gearbox and fuel are for sale from £42,989 to £78,999.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£42,98979,965 miles
£44,99522,000 miles
£47,75050,000 miles
£47,99047,000 miles
£48,95018,500 miles

These cars have covered 2,800–79,965 miles, compared with 31,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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