2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto 4dr M
• Year: 2023
• Mileage: 34,028 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Colour: Blue
• CO2: 229 g/km

About this car

At 34,028 miles, this 2023 BMW M3 Competition has covered about 13,000 more miles than other 2023 BMW M3 cars. Priced at £57,993, it is advertised £2,846 above the AskCar estimate of £55,147. The AskCar estimate draws on 756 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 38 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Bedford BMW, based in Bedford. 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: £2,846 (5%) over the AskCar estimate of £55,147.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £59,993. Its asking price is now £57,993, £2,000 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 25 September 2026: £59,993
• 14 October 2026: £59,493
• 23 October 2026: £59,193
• 28 October 2026: £57,993

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 April 2027.

It has had one MOT, on 1 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 29,463 miles, which matches the advertised 34,028 miles.

Advertised mileage is about 13,000 miles higher than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

51 other 2023 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £54,995 to £74,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW M3 Competition, 3.0 petrol saloon, red. Mileage: 33,000 miles. Price: £60,950, £2,957 more than this car. Dealer: Carbon Collection in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-9c8ee327509b
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 35,087 miles. Price: £57,499, £494 less than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-84c0a69b24bf
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 36,430 miles. Price: £54,995, £2,998 less than this car. Dealer: MB Motor Group in Bradford. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-45d389785702

• The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, black, 13 miles from this car. Mileage: 23,355 miles. Price: £74,995, £17,002 more than this car. Dealer: EAG Specialist Cars in St Neots. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-1f8cc7ee98be