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) 5dr Touring M (503 bhp)
• Year: 2023
• Mileage: 10,382 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 232 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 10,382 miles, this 2023 BMW M3 Competition has covered about 10,600 fewer miles than other 2023 BMW M3 cars. The AskCar estimate for this car is £70,651. It is priced at £70,999, which is £348 above that estimate. The AskCar estimate uses UK dealer asking prices, including 756 BMW M3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 113 days ago. Its asking price has since fallen by £4,000. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sandles Cars, based in Kings Lynn. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £348 (under 1%) over the AskCar estimate of £70,651.

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 756 priced BMW M3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £64,300: the median of the 115 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 113 days.

Price history

AskCar first saw this advert on 12 July 2026 at £74,999. Its asking price is now £70,999, £4,000 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 13 July 2026: £74,999
• 11 August 2026: £73,799
• 26 August 2026: £73,499
• 9 September 2026: £72,999
• 23 September 2026: £71,999
• 14 October 2026: £71,499
• 27 October 2026: £70,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 June 2027.

It has had one MOT, on 23 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 9,431 miles, which matches the advertised 10,382 miles.

Advertised mileage is about 10,600 miles lower than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

34 other 2023 BMW M3 Competition 3.0 petrol automatic estates are for sale at UK dealers, from £56,949 to £77,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW M3 Competition, 3.0 petrol estate, black. Mileage: 10,000 miles. Price: £73,975, £2,976 more than this car. Dealer: Sandwell Car Sales in West Bromwich. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-60d30f373312
• 2023 BMW M3 Competition, 3.0 petrol estate, yellow. Mileage: 11,143 miles. Price: £64,900, £6,099 less than this car. Dealer: John Holland Sales in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-a5d383b7c244
• 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 12,400 miles. Price: £66,750, £4,249 less than this car. Dealer: Hedin Automotive Bromley BMW in Bromley. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-76debc49078f

• The nearest: 2023 BMW M3 Competition, 3.0 petrol estate, yellow, 77 miles from this car. Mileage: 12,622 miles. Price: £66,995, £4,004 less than this car. Dealer: SD Automotive in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-6f6cd95a76a2