2023 BMW M3 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 4dr M (503 bhp)
• Year: 2023
• Mileage: 11,881 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 229 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M3 Competition has covered 11,881 miles, around 9,400 fewer miles than is typical for its age. The AskCar estimate for this car is £66,521. It is priced at £64,990, which is £1,531 below that estimate. The AskCar estimate uses UK dealer asking prices, including 752 BMW M3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 63 days ago. Its asking price has since fallen by £1,000. You can find this car at Forza Line in Coventry. 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: £1,531 (2%) under the AskCar estimate of £66,521.

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 752 priced BMW M3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £64,000: the median of the 112 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 63 days.

Price history

AskCar first saw this advert on 2 September 2026 at £65,990. Its asking price is now £64,990, £1,000 less. The latest price cut was seen on 2 October 2026.

Price changes recorded:

• 2 September 2026: £65,990
• 2 October 2026: £64,990

Mileage and MOT

Advertised mileage is about 9,400 miles lower than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

52 other 2023 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £51,990 to £74,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 12,425 miles. Price: £64,956, the same price as this car. Dealer: Bowker BMW Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-881e53562b56
• 2023 BMW M3 Competition, 3.0 petrol saloon, red. Mileage: 10,102 miles. Price: £62,998, £1,992 less than this car. Dealer: Arnold Clark Inverness BMW in Inverness. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-4f937079fb36
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 13,995 miles. Price: £58,499, £6,491 less than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-667b86e4cf28

• The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, blue, 10 miles from this car. Mileage: 17,900 miles. Price: £65,999, £1,009 more than this car. Dealer: Rom Motors in Atherstone. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-a5e875dcfbcd