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: 6,000 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

With 6,000 miles on the clock, this 2023 BMW M4 Competition has done roughly 12,800 fewer miles than a typical 2023 BMW M4. The dealer is asking £57,980, which is £1,476 below the AskCar estimate of £59,456. To work out the AskCar estimate, we analyse UK dealer adverts for 738 BMW M4 cars across different ages and specifications. Since we first spotted the advert 83 days ago, the asking price has dropped by £6,000. It is advertised by Auto100.Co.Uk in Sutton-in-Ashfield. 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: £1,476 (2%) under the AskCar estimate of £59,456.

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 83 days.

Price history

AskCar first saw this advert on 11 August 2026 at £63,980. Its asking price is now £57,980, £6,000 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 11 August 2026: £63,980
• 26 August 2026: £62,480
• 1 September 2026: £61,980
• 9 September 2026: £61,480
• 16 September 2026: £60,980
• 23 September 2026: £59,980
• 26 September 2026: £59,480
• 3 October 2026: £58,980
• 9 October 2026: £57,980
• 15 October 2026: £58,980
• 21 October 2026: £58,480
• 27 October 2026: £57,980

Mileage and MOT

Advertised mileage is about 12,800 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, grey. Mileage: 5,400 miles. Price: £59,650, £1,670 more than this car. Dealer: Boss Motor Company in Chesham. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-be80a27c8170
• 2023 BMW M4 Competition, 3.0 petrol convertible, grey. Mileage: 5,203 miles. Price: £57,450, £530 less than this car. Dealer: North Oxford Bmw in Oxford. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-bc723bf83b42
• 2023 BMW M4 Competition, 3.0 petrol convertible, grey. Mileage: 7,532 miles. Price: £56,690, £1,290 less than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-9238c327a572

• The nearest: 2023 BMW M4 Competition, 3.0 petrol convertible, blue, 29 miles from this car. Mileage: 20,545 miles. Price: £54,995, £2,985 less than this car. Dealer: Group 1 BMW Lincoln in Lincoln. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-a3fb261cfd92