2023 BMW M4

Overview

Make

BMW

Model

M4

Trim

COMPETITION

Version

3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 2dr M (503 bhp)

Mileage

23,500 miles

Year

2023

Fuel type

Petrol

Body type

Convertible

Engine

3.0 L

Gearbox

Automatic

Power

503 bhp

Seats

4

CO2

233 g/km

Colour

Grey

Doors

2

Driven wheels

Four Wheel Drive

Gearbox version

Steptronic

Engine badge

BiTurbo

Emissions standard

Euro 6

About this car

With 23,500 miles on the clock, this 2023 BMW M4 Competition has done roughly 5,200 more miles than a typical 2023 BMW M4. Our estimated market asking price is £55,213. This car is advertised at £54,989, which is £224 below that figure. Our estimate draws on 727 BMW M4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 143 days ago, the asking price has dropped by £2,000. That may be worth mentioning if you discuss the price with the dealer. Its recorded MOT is valid until 2 June 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is A6 Motors, based in Bedford.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £55,213. The asking price is £224 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 727 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 5,200 miles higher than typical for a 2023 BMW M4.

The advertised mileage is consistent with the last MOT reading.