2021 BMW M3

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

£52,000

Good value: £4,710 under the typical £56,710 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
21,469 miles
Year
2021
Fuel type
Petrol
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
503 bhp
Seats
5
CO2
224 g/km
Colour
Blue
Doors
4
Gearbox version
Steptronic
Engine badge
BiTurbo
Emissions standard
Euro 6

About this car

At 21,469 miles, this 2021 BMW M3 Competition has covered about 3,500 fewer miles than other 2021 BMW M3 cars. The dealer is asking £52,000, which is £4,710 below our market estimate of £56,710. We use UK dealer asking prices, including 775 BMW M3 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 67 days ago, the asking price has dropped by £495. That may be worth mentioning if you discuss the price with the dealer. The latest MOT record shows an expiry date of 2 August 2027, with the advertised mileage consistent with the recorded reading. It is advertised by White Rose Automotive in Barnsley.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 14 August 2026, 67 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £495 from the first recorded £52,495. 1 price reduction recorded, the latest observed on 26 August 2026.

Recorded asking prices
Date observedAsking price
14 August 2026£52,495
26 August 2026£52,000
19 October 2026£52,000

Price and mileage comparison

Estimated market asking price: £56,710. The asking price is £4,710 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 3,500 miles lower than typical for a 2021 BMW M3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 2 August 2027. 21,668 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 21,469 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

Similar cars for less

Dealer

White Rose Automotive, Barnsley. Across the dealer network: 15 cars for sale.

Dealer postcode: S70 4DF.

Vehicle photos