2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto 5dr M
• Year: 2023
• Mileage: 18,766 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Colour: Black
• CO2: 234 g/km

About this car

This 2023 BMW M3 Competition is advertised with 18,766 miles, approximately 2,300 below the typical mileage for its age. The AskCar estimate for this car is £64,046. It is priced at £62,399, which is £1,647 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 recorded this advert 30 days ago, and its asking price has since fallen by £3,200. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is cinch, based in Hook. 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: £1,647 (2%) under the AskCar estimate of £64,046.

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 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £65,599. Its asking price is now £62,399, £3,200 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 3 October 2026: £65,599
• 9 October 2026: £65,099
• 16 October 2026: £64,599
• 23 October 2026: £63,739
• 27 October 2026: £62,699
• 30 October 2026: £62,399

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 January 2027.

It has had one MOT, on 12 January 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 15,157 miles, which matches the advertised 18,766 miles.

Advertised mileage is about 2,300 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, green. Mileage: 20,000 miles. Price: £64,980, £2,581 more than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-78d87f42d0e4
• 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 20,000 miles. Price: £64,995, £2,596 more than this car. Dealer: Group 1 Hailsham BMW in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-f3e5aebc0dbc
• 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 17,500 miles. Price: £68,495, £6,096 more than this car. Dealer: Adrenaline Collective in Leamington Spa. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-4a73a24f93ad

• The nearest: 2023 BMW M3 Competition, 3.0 petrol estate, grey, 6 miles from this car. Mileage: 26,000 miles. Price: £60,995, £1,404 less than this car. Dealer: Hamptons of Surrey in Farnham. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-d14b0357ab60