2023 BMW M4 3.0 BiTurbo Competition

Price: £55,995. Fair price: £937 (1%) over the AskCar estimate of £55,058, our expected asking price for this car from its model, age, mileage and specification, drawing on 738 priced BMW M4 adverts on AskCar as of 2 November 2026.

AskCar lists 761 used BMW M4 from 481 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: M4
  • Trim: Competition
  • Version: 3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 2dr M (503 bhp)
  • Year: 2023
  • Mileage: 20,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 3.0 litres, 503 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 233 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M4 Competition has covered 20,000 miles. The dealer is asking £55,995, which is £937 above the AskCar estimate of £55,058. To work out the AskCar estimate, we analyse UK dealer adverts for 738 BMW M4 cars across different ages and specifications. We have tracked this advert for 30 days. The seller is Southern Prestige Cars, based in Crawley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £937 (1%) over the AskCar estimate of £55,058.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 738 priced BMW M4 adverts across different ages and specifications, as of 2 November 2026.

A 2023 BMW M4 with the 3.0 petrol engine is typically advertised at £55,000: the median of the 82 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 BMW M4 has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £55,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 1,200 miles higher than the median mileage of a 2023 BMW M4 on AskCar.

Similar cars

28 other 2023 BMW M4 Competition 3.0 petrol automatic convertibles are for sale at UK dealers, from £47,898 to £59,994, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW M4 Competition, 3.0 petrol convertible, grey. Mileage: 19,800 miles. Price: £52,491, £3,504 less than this car. Dealer: David James in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-5f8932a564b7
  • 2023 BMW M4 Competition, 3.0 petrol convertible, blue. Mileage: 20,545 miles. Price: £54,995, £1,000 less than this car. Dealer: Group 1 BMW Lincoln in Lincoln. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-a3fb261cfd92
  • 2023 BMW M4 Competition, 3.0 petrol convertible, grey. Mileage: 18,750 miles. Price: £54,900, £1,095 less than this car. Dealer: Group 1 Chelmsford BMW in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-7594088a36b8
  • The nearest: 2023 BMW M4 Competition, 3.0 petrol convertible, grey, 19 miles from this car. Mileage: 26,022 miles. Price: £52,995, £3,000 less than this car. Dealer: Berry Thames Ditton BMW in Thames Ditton. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-c5ed27a0c585

Browse all BMW M4 cars for sale · 2023 BMW M4 price guide

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Photos

54 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.