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: 11,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 233 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M4 Competition is advertised with 11,000 miles, approximately 7,800 below the typical mileage for its age. The dealer is asking £56,950, which is £202 below the AskCar estimate of £57,152. 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 27 days ago, the asking price has dropped by £3,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at HCS Trading in Luton. 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: £202 (under 1%) under the AskCar estimate of £57,152.

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 27 days.

Price history

AskCar first saw this advert on 6 October 2026 at £59,950. Its asking price is now £56,950, £3,000 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 6 October 2026: £59,950
• 18 October 2026: £56,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 February 2027.

It has had one MOT, on 25 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 10,650 miles, which matches the advertised 11,000 miles.

Advertised mileage is about 7,800 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, green. Mileage: 9,481 miles. Price: £59,990, £3,040 more than this car. Dealer: Auto Sportiva in Tonbridge. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-631c3899adad
• 2023 BMW M4 Competition, 3.0 petrol convertible, black. Mileage: 9,445 miles. Price: £53,485, £3,465 less than this car. Dealer: Hedin Automotive Bromley BMW in Bromley. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-a36541ea0b92
• 2023 BMW M4 Competition, 3.0 petrol convertible, blue. Mileage: 9,136 miles. Price: £55,985, £965 less than this car. Dealer: Stratstone BMW Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-05f3186f909f

• The nearest: 2023 BMW M4 Competition, 3.0 petrol convertible, grey, 5 miles from this car. Mileage: 23,500 miles. Price: £54,989, £1,961 less than this car. Dealer: A6 Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-d04eb8e48107