2023 BMW M3

3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 5dr Touring M (503 bhp)

£66,991

Fair price: within 8% of the typical £70,661 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) 5dr Touring M (503 bhp)
Mileage
13,725 miles
Year
2023
Fuel type
Petrol
Body type
Estate
Engine
3.0 L
Gearbox
Automatic
Power
503 bhp
Seats
5
CO2
232 g/km
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
Steptronic
Engine badge
BiTurbo
Emissions standard
Euro 6

About this car

This 2023 BMW M3 Competition has covered 13,725 miles, around 8,300 fewer than typical for its age. At £66,991, it is advertised £3,670 below our estimated market asking price of £70,661. 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 86 days ago. It is advertised by Magor Motor Company in Caldicot.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 26 July 2026, 86 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observedAsking price
26 July 2026£66,991
19 October 2026£66,991

Price and mileage comparison

Estimated market asking price: £70,661. The asking price is £3,670 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 8,300 miles lower than typical for a 2023 BMW M3.

MOT

MOT no details held by dvla.

105 other cars with the same year, trim, gearbox and fuel are for sale from £49,995 to £77,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£49,99537,000 miles
£50,49544,843 miles
£54,99554,000 miles
£54,99536,430 miles
£54,99547,461 miles

These cars have covered 4,742–54,000 miles, compared with 13,725 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

Magor Motor Company, Caldicot. Across the dealer network: 33 cars for sale.

Dealer postcode: NP26 3EQ.

Dealer opening hours

Monday
09:30-18:00
Tuesday
09:30-18:00
Wednesday
09:30-18:00
Thursday
09:30-18:00
Friday
09:30-18:00
Saturday
09:30-18:00
Sunday
10:00-16:00

Vehicle photos