2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto 4WD 5dr M
• Year: 2023
• Mileage: 34,148 miles
• Fuel: Petrol
• Body: Estate, 5 doors
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 233 g/km

About this car

At 34,148 miles, this 2023 BMW M3 Competition has covered about 13,100 more miles than other 2023 BMW M3 cars. Its asking price of £67,495 is £11,049 above the AskCar estimate of £56,446. To work out the AskCar estimate, we analyse UK dealer adverts for 756 BMW M3 cars across different ages and specifications. The asking price is now £1,500 lower than when we first recorded the advert 109 days ago. Its advertised mileage matches the government's MOT record. You can find this car at A1 Auto Solutions in Maidenhead. 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

Above the going rate: £11,049 (19%) over the AskCar estimate of £56,446.

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 109 days.

Price history

AskCar first saw this advert on 16 July 2026 at £68,995. Its asking price is now £67,495, £1,500 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

• 16 July 2026: £68,995
• 7 October 2026: £67,995
• 8 October 2026: £67,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 May 2027.

It has had one MOT, on 2 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 30,058 miles, which matches the advertised 34,148 miles.

Advertised mileage is about 13,100 miles higher 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, grey. Mileage: 33,320 miles. Price: £58,888, £8,607 less than this car. Dealer: Dick Lovett Porsche Centre Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-082150e8cd04
• 2023 BMW M3 Competition, 3.0 petrol estate, black. Mileage: 33,000 miles. Price: £66,990, £505 less than this car. Dealer: R S Motorhouse in Leeds. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-fff4e2bbba47
• 2023 BMW M3 Competition, 3.0 petrol estate, black. Mileage: 35,442 miles. Price: £59,945, £7,550 less than this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-8e67d3944302

• The nearest: 2023 BMW M3 Competition, 3.0 petrol estate, blue, 10 miles from this car. Mileage: 27,000 miles. Price: £66,289, £1,206 less than this car. Dealer: Auto Vuego Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-a4e4005e7a05