2023 BMW M3

Overview

Make

BMW

Model

M3

Trim

COMPETITION

Version

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

Mileage

20,000 miles

Year

2023

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

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 20,000 miles, around 2,000 fewer than typical for its age. The dealer is asking £66,950, which is £3,146 above our market estimate of £63,804. To estimate its market asking price, we analyse UK dealer adverts for 775 BMW M3 cars across different ages and specifications. We first saw this car advertised 110 days ago. Its asking price has since fallen by £3,000. The time on sale and price change could be useful context when negotiating. You can find this car at Motor Lounge in Radlett.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £63,804. The asking price is £3,146 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 775 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,000 miles lower than typical for a 2023 BMW M3.