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: 14,156 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Green
• CO2: 233 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M4 Competition is advertised with 14,156 miles, approximately 4,600 below the typical mileage for its age. The AskCar estimate for this car is £56,409. It is priced at £51,890, which is £4,519 below that estimate. The AskCar estimate uses 738 UK dealer adverts for the BMW M4, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 53 days ago, and its asking price has since fallen by £3,100. Its advertised mileage matches the government's MOT record. It is for sale at G C Motors in Harrogate. 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

Good value: £4,519 (8%) under the AskCar estimate of £56,409.

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 53 days.

Price history

AskCar first saw this advert on 10 September 2026 at £54,990. Its asking price is now £51,890, £3,100 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 10 September 2026: £54,990
• 22 September 2026: £52,990
• 15 October 2026: £51,990
• 22 October 2026: £51,890

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 February 2027.

It has had one MOT, on 21 January 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 12,711 miles, which matches the advertised 14,156 miles.

Advertised mileage is about 4,600 miles lower 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, black. Mileage: 13,184 miles. Price: £59,994, £8,104 more than this car. Dealer: Group 1 Reading BMW in Reading. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-4c7a961bc031
• 2023 BMW M4 Competition, 3.0 petrol convertible, grey. Mileage: 12,925 miles. Price: £57,950, £6,060 more than this car. Dealer: Cotswold Bmw Cheltenham in Cheltenham. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-6ea5714a6ab7
• 2023 BMW M4 Competition, 3.0 petrol convertible, grey. Mileage: 16,951 miles. Price: £52,660, £770 more than this car. Dealer: Prime Motors in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-6de1b3d8bbfc

• The nearest: 2023 BMW M4 Competition, 3.0 petrol convertible, grey, 16 miles from this car. Mileage: 34,334 miles. Price: £52,999, £1,109 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-fbd8062d0c37