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: 12,900 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

This 2023 BMW M3 Competition has covered 12,900 miles, around 8,100 fewer miles than is typical for its age. The AskCar estimate for this car is £69,780. It is priced at £65,000, which is £4,780 below that estimate. The AskCar estimate uses 756 UK dealer adverts for the BMW M3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 26 days ago. Its asking price has since fallen by £2,000. We checked its advertised mileage against the government's MOT record, and they match. The seller is Broadoak Performance Cars, based in Canterbury. 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: £4,780 (6%) under the AskCar estimate of £69,780.

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 26 days.

Price history

AskCar first saw this advert on 7 October 2026 at £67,000. Its asking price is now £65,000, £2,000 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 7 October 2026: £67,000
• 16 October 2026: £65,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 10 February 2027.

It has had one MOT, on 11 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 10,535 miles, which matches the advertised 12,900 miles.

Advertised mileage is about 8,100 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, yellow. Mileage: 12,622 miles. Price: £66,995, £1,995 more than this car. Dealer: SD Automotive in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-6f6cd95a76a2
• 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 12,400 miles. Price: £66,750, £1,750 more than this car. Dealer: Hedin Automotive Bromley BMW in Bromley. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-76debc49078f
• 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 13,725 miles. Price: £66,991, £1,991 more than this car. Dealer: Magor Motor Company in Caldicot. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-b13d30fc1a98

• The nearest: 2023 BMW M3 Competition, 3.0 petrol estate, green, 42 miles from this car. Mileage: 24,700 miles. Price: £65,500, £500 more than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-dd7df47716b5