2021 BMW M3

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

£49,995

Good value: £7,175 under the typical £57,170 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 Euro 6 (s/s) 4dr (503 bhp)
Mileage
20,000 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
Gearbox version
Steptronic
Engine badge
BiTurbo
Emissions standard
Euro 6

About this car

This 2021 BMW M3 Competition is advertised with 20,000 miles, approximately 5,000 below the typical mileage for its age. At £49,995, it is advertised £7,175 below our estimated market asking price of £57,170. To estimate its market asking price, we analyse UK dealer adverts for 775 BMW M3 cars across different ages and specifications. This car was first seen in our listings data 17 days ago. The latest MOT record shows an expiry date of 3 December 2026, with the advertised mileage consistent with the recorded reading. You can find this car at S & S Car Sales in Ky62sy.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 4 October 2026, 17 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observedAsking price
4 October 2026£49,995
19 October 2026£49,995

Price and mileage comparison

Estimated market asking price: £57,170. The asking price is £7,175 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 775 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 5,000 miles lower than typical for a 2021 BMW M3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 3 December 2026. 16,095 miles at the last test.

41 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
£48,95018,500 miles
£48,99047,000 miles

These cars have covered 2,800–79,965 miles, compared with 20,000 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

S & S Car Sales, Ky62sy. Across the dealer network: 38 cars for sale.

Dealer postcode: KY6 2SY.

Vehicle photos