2021 BMW M3

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

£78,999

Above the going rate: £13,892 over the typical £65,107 for this model, age and mileage, drawing on 775 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: 11,000 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: Yellow
Doors: 4
Driven wheels: Four Wheel Drive
Gearbox version: Steptronic
Engine badge: BiTurbo
Emissions standard: Euro 6

About this car

This 2021 BMW M3 Competition is advertised with 11,000 miles, approximately 14,000 below the typical mileage for its age. Its asking price of £78,999 is £13,892 above our estimate of £65,107. We use UK dealer asking prices, including 775 BMW M3 listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 145 days ago. The seller is 51 X, based in Birmingham.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 145 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observed	Asking price
28 May 2026	£78,999
6 July 2026	£78,999
19 October 2026	£78,999

Price and mileage comparison

Estimated market asking price: £65,107. The asking price is £13,892 above 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 775 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 14,000 miles lower than typical for a 2021 BMW M3.

41 other cars with the same year, trim, gearbox and fuel are for sale from £42,989 to £77,450.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£42,989	79,965 miles
£44,995	22,000 miles
£47,750	50,000 miles
£48,950	18,500 miles
£48,990	47,000 miles

These cars have covered 2,800–79,965 miles, compared with 11,000 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

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Dealer

51 X, Birmingham. Across the dealer network: 31 cars for sale.

Dealer postcode: B11 4DJ.