2023 BMW M3

Overview

Make

BMW

Model

M3

Trim

COMPETITION

Version

3.0 Competition Auto 4dr M

Mileage

21,140 miles

Year

2023

Fuel type

Petrol

Body type

Saloon

Engine

3.0 L

Gearbox

Automatic

CO2

229 g/km

Colour

Black

Doors

4

Engine badge

Competition

About this car

This 2023 BMW M3 Competition has covered 21,140 miles. The dealer is asking £59,690, which is £423 below our market estimate of £60,113. Our estimate draws on 777 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 11 days ago. Its asking price has since fallen by £805. MOT records show an expiry date of 28 September 2027, and the latest recorded mileage is consistent with the advert. The seller is Stratstone BMW Tunbridge Wells, based in Tunbridge Wells.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £60,113. The asking price is £423 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 500 miles lower than typical for a 2023 BMW M3.

The advertised mileage is consistent with the last MOT reading.