2023 BMW M4 3.0 Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 Competition Auto 4WD Euro 6 2dr (502 bhp)
• Year: 2023
• Mileage: 7,532 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 502 bhp
• Gearbox: Automatic
• 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 7,532 miles, around 11,200 fewer miles than is typical for its age. Priced at £56,690, it is advertised £69 below the AskCar estimate of £56,759. The AskCar estimate uses 738 UK dealer adverts for the BMW M4, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 67 days ago. Its asking price has since fallen by £4,800. The seller is Stratstone BMW Milton Keynes, based in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £69 (under 1%) under the AskCar estimate of £56,759.

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 4 November 2026.

A 2023 BMW M4 with the 3.0 petrol engine is typically advertised at £55,100: the median of the 84 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW M4 has been on sale for at least 67 days.

Price history

AskCar first saw this advert on 29 August 2026 at £61,490. Its asking price is now £56,690, £4,800 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 29 August 2026: £61,490
• 22 September 2026: £60,990
• 13 October 2026: £60,590
• 15 October 2026: £57,990
• 30 October 2026: £56,690

Mileage and MOT

Advertised mileage is about 11,200 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW M4 Competition, 3.0 petrol convertible, grey. Mileage: 8,322 miles. Price: £53,468, £3,222 less than this car. Dealer: Vertu BMW Teesside in Teesside. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-a16d0cf9c6a6
• 2023 BMW M4 Competition, 3.0 petrol convertible, grey. Mileage: 6,000 miles. Price: £57,480, £790 more than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-30438c8d9265
• 2023 BMW M4 Competition, 3.0 petrol convertible, blue. Mileage: 9,136 miles. Price: £55,985, £705 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, 13 miles from this car. Mileage: 23,500 miles. Price: £54,989, £1,701 less than this car. Dealer: A6 Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-m4-2023-d04eb8e48107