2023 BMW M3

Overview

Make

BMW

Model

M3

Trim

COMPETITION

Version

3.0 Competition Auto 5dr M

Mileage

21,236 miles

Year

2023

Fuel type

Petrol

Engine

3.0 L

Gearbox

Automatic

CO2

234 g/km

Colour

Blue

Doors

5

Engine badge

Competition

About this car

This 2023 BMW M3 Competition has covered 21,236 miles. At £63,870, it is advertised £139 below our estimated market asking price of £64,009. Our estimate draws on 775 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 67 days ago. Its asking price has since fallen by £1,000. The time on sale and price change could be useful context when negotiating. Its MOT is recorded as valid until 9 March 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Sytner Harold Wood BMW in Romford.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £64,009. The asking price is £139 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 800 miles lower than typical for a 2023 BMW M3.

The advertised mileage is consistent with the last MOT reading.