2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto M
• Year: 2023
• Mileage: 23,816 miles
• Fuel: Petrol
• Body: Saloon
• Engine: 3.0 litres
• Gearbox: Automatic
• Colour: Grey
• CO2: 230 g/km

About this car

At 23,816 miles, this 2023 BMW M3 Competition has covered about 2,800 more miles than other 2023 BMW M3 cars. The AskCar estimate for this car is £58,376. It is priced at £56,590, which is £1,786 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. Since we first spotted the advert 122 days ago, the asking price has dropped by £5,400. We checked its advertised mileage against the government's MOT record, and they match. The seller is MINI UK at Stratstone Chesterfield, based in Chesterfield. 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: £1,786 (3%) under the AskCar estimate of £58,376.

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 122 days.

Price history

AskCar first saw this advert on 3 July 2026 at £61,990. Its asking price is now £56,590, £5,400 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 3 July 2026: £61,990
• 13 July 2026: £61,490
• 21 July 2026: £60,990
• 28 July 2026: £59,990
• 8 August 2026: £59,590
• 18 August 2026: £59,490
• 25 August 2026: £59,990
• 5 September 2026: £59,590
• 16 September 2026: £59,390
• 26 September 2026: £58,990
• 10 October 2026: £58,690
• 16 October 2026: £57,990
• 27 October 2026: £56,590

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 June 2027.

It has had one MOT, on 26 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 23,605 miles, which matches the advertised 23,816 miles.

Advertised mileage is about 2,800 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, white. Mileage: 24,000 miles. Price: £64,995, £8,405 more than this car. Dealer: Vollgas Automotive in Burnley. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-acd8a3671a5f
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 24,000 miles. Price: £68,450, £11,860 more than this car. Dealer: Shinsean Automotive in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-fe4ffcbd2385
• 2023 BMW M3 Competition, 3.0 petrol saloon, black. Mileage: 23,355 miles. Price: £74,995, £18,405 more than this car. Dealer: EAG Specialist Cars in St Neots. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-1f8cc7ee98be

• The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, red, 9 miles from this car. Mileage: 33,000 miles. Price: £60,950, £4,360 more than this car. Dealer: Carbon Collection in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-9c8ee327509b