2023 BMW M4 3.0 BiTurbo Competition

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: 27,894 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 is advertised with 27,894 miles, approximately 9,100 above the typical mileage for its age. Priced at £49,980, it is advertised £3,304 below the AskCar estimate of £53,284. The AskCar estimate draws on 738 BMW M4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 54 days ago. Its asking price has since fallen by £1,810. The government's MOT record matches its advertised mileage. It is for sale at Phantom Motor Company in Wigan. 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: £3,304 (6%) under the AskCar estimate of £53,284.

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 54 days.

Price history

AskCar first saw this advert on 9 September 2026 at £51,790. Its asking price is now £49,980, £1,810 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 9 September 2026: £51,790
• 27 September 2026: £51,290
• 17 October 2026: £50,780
• 28 October 2026: £49,980

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 July 2027.

It has had 2 MOTs. The latest, on 30 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 27,660 miles, which matches the advertised 27,894 miles.

Advertised mileage is about 9,100 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: 26,022 miles. Price: £52,995, £3,015 more than this car. Dealer: Berry Thames Ditton BMW in Thames Ditton. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-c5ed27a0c585
• 2023 BMW M4 Competition, 3.0 petrol convertible, green. Mileage: 30,195 miles. Price: £50,990, £1,010 more than this car. Dealer: Stratstone BMW Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-b1e3ab661ebf
• 2023 BMW M4 Competition, 3.0 petrol convertible, grey. Mileage: 25,413 miles. Price: £55,999, £6,019 more than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-8186a5646f43

• The nearest: 2023 BMW M4 Competition, 3.0 petrol convertible, grey, 43 miles from this car. Mileage: 34,334 miles. Price: £52,999, £3,019 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-fbd8062d0c37