2021 BMW M3

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

£56,995

Good value: £6,248 under the typical £63,243 for this model, age and mileage, drawing on 777 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
16,000 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
Black
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 16,000 miles, approximately 9,000 below the typical mileage for its age. The dealer is asking £56,995, which is £6,248 below our market estimate of £63,243. Our estimate draws on 777 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 143 days ago, the asking price has dropped by £5,004. The latest recorded MOT expiry date is 31 August 2026, which has passed. Confirm its status with the dealer. Its advertised mileage is consistent with the latest recorded MOT reading. It is for sale at Waterways Prestige in Leighton Buzzard.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 31 May 2026, 143 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £5,004 from the first recorded £61,999. 5 price reductions recorded, the latest observed on 7 October 2026.

Recorded asking prices
Date observedAsking price
1 June 2026£61,999
19 June 2026£59,999
14 July 2026£59,999
5 August 2026£58,995
6 August 2026£58,995
29 August 2026£58,495
12 September 2026£57,995
7 October 2026£56,995
20 October 2026£56,995

Price and mileage comparison

Estimated market asking price: £63,243. The asking price is £6,248 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 777 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 9,000 miles lower than typical for a 2021 BMW M3.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT not valid until 31 August 2026. 10,690 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
£47,99047,000 miles
£48,95018,500 miles

These cars have covered 2,800–79,965 miles, compared with 16,000 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

Waterways Prestige, Leighton Buzzard. Across the dealer network: 40 cars for sale.

Dealer postcode: LU7 9LQ.

Dealer opening hours

Monday
09:00-17:00
Tuesday
09:00-17:00
Wednesday
09:00-17:00
Thursday
09:00-17:00
Friday
09:00-17:00
Saturday
09:00-17:00
Sunday
10:00-14:00

Vehicle photos