2023 BMW M3 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic Euro 6 (s/s) 4dr (503 bhp)
• Year: 2023
• Mileage: 16,441 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Colour: Black
• CO2: 223 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M3 Competition has covered 16,441 miles, around 4,800 fewer miles than is typical for its age. The dealer is asking £57,691, which is £3,478 below the AskCar estimate of £61,169. To work out the AskCar estimate, we analyse UK dealer adverts for 752 BMW M3 cars across different ages and specifications. The asking price is now £299 lower than when we first recorded the advert 28 days ago. You can find this car at Partridge BMW in Eastleigh. 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: £3,478 (5%) under the AskCar estimate of £61,169.

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 28 days.

Price history

AskCar first saw this advert on 7 October 2026 at £57,990. Its asking price is now £57,691, £299 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 7 October 2026: £57,990
• 4 November 2026: £57,691

Mileage and MOT

Advertised mileage is about 4,800 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: 16,250 miles. Price: £59,990, £2,299 more than this car. Dealer: Premier Vehicle Group in Cheadle. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-96b2f94e9762
• 2023 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 16,000 miles. Price: £67,995, £10,304 more than this car. Dealer: Sharman Group in Manchester. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-f4d2c8166d0a
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 17,000 miles. Price: £61,495, £3,804 more than this car. Dealer: Automotive Performance in Smethwick. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-f6768770ff5e

• The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, grey, 19 miles from this car. Mileage: 21,040 miles. Price: £57,299, £392 less than this car. Dealer: cinch in Salisbury. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-ec5c7fbcf3a2