2023 BMW M4

3.0 Competition Auto Euro 6 2dr (502 bhp)

£55,700

Fair price: within 8% of the typical £55,241 for this model, age and mileage, drawing on 727 adverts of this make and model.

Overview

Make: BMW
Model: M4
Trim: COMPETITION
Version: 3.0 Competition Auto Euro 6 2dr (502 bhp)
Mileage: 20,610 miles
Year: 2023
Fuel type: Petrol
Engine: 3.0 L
Gearbox: Automatic
Power: 502 bhp
Seats: 4
CO2: 229 g/km
Colour: Grey
Doors: 2
Emissions standard: Euro 6

About this car

At 20,610 miles, this 2023 BMW M4 Competition has covered about 2,300 more miles than other 2023 BMW M4 cars. The dealer is asking £55,700, which is £459 above our market estimate of £55,241. To estimate its market asking price, we analyse UK dealer adverts for 727 BMW M4 cars across different ages and specifications. We first recorded this advert 34 days ago, and its asking price has since fallen by £1,300. MOT records show an expiry date of 21 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Stevenage BMW, based in Stevenage.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 September 2026, 34 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,300 from the first recorded £57,000. 1 price reduction recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observed	Asking price
17 September 2026	£57,000
17 October 2026	£55,700
20 October 2026	£55,700

Price and mileage comparison

Estimated market asking price: £55,241. The asking price is £459 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 727 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,300 miles higher than typical for a 2023 BMW M4.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 21 July 2027. 19,231 miles at the last test.

82 other cars with the same year, trim, gearbox and fuel are for sale from £45,975 to £64,950.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£45,975	52,084 miles
£45,975	52,084 miles
£47,995	30,762 miles
£48,990	40,000 miles
£49,299	40,000 miles

These cars have covered 3,561–52,084 miles, compared with 20,610 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 M4 cars for sale · 2023 BMW M4 price guide

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Dealer

Sytner Stevenage BMW, Stevenage. Across the dealer network: 140 branches, 10,337 cars for sale.

Dealer postcode: SG1 2BE.