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: 11,389 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Colour: White
• CO2: 224 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M3 Competition is advertised with 11,389 miles, approximately 9,800 below the typical mileage for its age. Its asking price of £57,400 is £4,578 below the AskCar estimate of £61,978. The AskCar estimate uses UK dealer asking prices, including 753 BMW M3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 21 days ago, the asking price has dropped by £1,100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall BMW Scunthorpe, based in Scunthorpe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £4,578 (7%) under the AskCar estimate of £61,978.

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 753 priced BMW M3 adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £63,400: the median of the 112 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 21 days.

Price history

AskCar first saw this advert on 15 October 2026 at £58,500. Its asking price is now £57,400, £1,100 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 15 October 2026: £58,500
• 24 October 2026: £57,990
• 28 October 2026: £57,400

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 3 September 2027.

It has had one MOT, on 4 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 11,215 miles, which matches the advertised 11,389 miles.

Advertised mileage is about 9,800 miles lower than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

54 other 2023 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £51,990 to £74,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 11,881 miles. Price: £64,990, £7,590 more than this car. Dealer: Forza Line in Coventry. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-1cf90a241a10
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 12,425 miles. Price: £64,956, £7,556 more than 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, £5,598 more than this car. Dealer: Arnold Clark Inverness BMW in Inverness. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-4f937079fb36

• The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, green, 34 miles from this car. Mileage: 23,000 miles. Price: £59,994, £2,594 more than this car. Dealer: Greenland Cars in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-c8b025602246