2023 BMW M3

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

£64,950

Fair price: within 8% of the typical £64,234 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 RWD Euro 6 (s/s) 4dr (503 bhp)
Mileage
7,900 miles
Year
2023
Fuel type
Petrol
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
503 bhp
Seats
5
CO2
223 g/km
Colour
Grey
Doors
4
Driven wheels
Rear Wheel Drive
Gearbox version
Steptronic
Engine badge
BiTurbo
Emissions standard
Euro 6

About this car

With 7,900 miles on the clock, this 2023 BMW M3 Competition has done roughly 13,700 fewer miles than a typical 2023 BMW M3. Our estimated market asking price is £64,234. This car is advertised at £64,950, which is £716 above that figure. To estimate its market asking price, we analyse UK dealer adverts for 777 BMW M3 cars across different ages and specifications. The asking price is now £3,000 lower than when we first recorded the advert 126 days ago. That may be worth mentioning if you discuss the price with the dealer. It is for sale at Boss Motor Company in Chesham.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 June 2026, 126 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £3,000 from the first recorded £67,950. 3 price reductions recorded, the latest observed on 29 September 2026.

Recorded asking prices
Date observedAsking price
17 June 2026£67,950
10 July 2026£67,310
22 July 2026£66,940
23 July 2026£66,940
29 August 2026£66,350
29 September 2026£64,950
20 October 2026£64,950

Price and mileage comparison

Estimated market asking price: £64,234. The asking price is £716 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 777 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 13,700 miles lower than typical for a 2023 BMW M3.

MOT

MOT no details held by dvla.

104 other cars with the same year, trim, gearbox and fuel are for sale from £54,995 to £77,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£54,99554,000 miles
£54,99536,430 miles
£54,99547,461 miles
£55,00030,856 miles
£55,45048,499 miles

These cars have covered 4,742–54,000 miles, compared with 7,900 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 · 2023 BMW M3 price guide

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Dealer

Boss Motor Company, Chesham. Across the dealer network: 36 cars for sale.

Dealer postcode: HP5 3QW.

Dealer opening hours

Monday
09:00-17:30
Tuesday
09:00-17:30
Wednesday
09:00-17:30
Thursday
09:00-17:30
Friday
09:00-17:30
Saturday
09:00-17:00
Sunday
Closed

Vehicle photos