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: 42,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 229 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 42,000 miles, this 2023 BMW M3 Competition has covered about 20,800 more miles than other 2023 BMW M3 cars. The dealer is asking £57,989, which is £1,295 above the AskCar estimate of £56,694. To work out the AskCar estimate, we analyse UK dealer adverts for 752 BMW M3 cars across different ages and specifications. Since we first spotted the advert 34 days ago, the asking price has dropped by £1,000. You can find this car at Auto Vuego Motors in Uxbridge. 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: £1,295 (2%) over the AskCar estimate of £56,694.

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 34 days.

Price history

AskCar first saw this advert on 1 October 2026 at £58,989. Its asking price is now £57,989, £1,000 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 1 October 2026: £58,989
• 3 October 2026: £59,989
• 16 October 2026: £58,989
• 1 November 2026: £57,989

Mileage and MOT

Advertised mileage is about 20,800 miles higher 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, black. Mileage: 41,000 miles. Price: £57,450, £539 less than this car. Dealer: Farlan Automotive in Wembley. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-2f4b349f8417
• 2023 BMW M3 Competition, 3.0 petrol saloon, black. Mileage: 43,915 miles. Price: £59,000, £1,011 more than this car. Dealer: Sytner Warwick BMW in Warwick. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-fe15a5f2d4e3
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 44,000 miles. Price: £59,995, £2,006 more than this car. Dealer: AET Cars in Wolverhampton. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-d8f06922eb55

• The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, grey, 2 miles from this car. Mileage: 25,002 miles. Price: £62,900, £4,911 more than this car. Dealer: Berry Heathrow in Heathrow. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-84023426619b