2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto 5dr M
• Year: 2023
• Mileage: 4,742 miles
• Fuel: Petrol
• Body: Estate, 5 doors
• Engine: 3.0 litres
• Gearbox: Automatic
• Colour: White
• CO2: 233 g/km

About this car

This 2023 BMW M3 Competition is advertised with 4,742 miles, approximately 16,300 below the typical mileage for its age. Priced at £64,985, it is advertised £5,249 below the AskCar estimate of £70,234. To work out the AskCar estimate, we analyse UK dealer adverts for 756 BMW M3 cars across different ages and specifications. Since we first spotted the advert 158 days ago, the asking price has dropped by £6,265. The seller is Stratstone Bmw Harrogate, based in Harrogate. 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: £5,249 (7%) under the AskCar estimate of £70,234.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £71,250. Its asking price is now £64,985, £6,265 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 28 May 2026: £71,250
• 31 May 2026: £70,950
• 16 June 2026: £69,950
• 23 June 2026: £70,290
• 3 July 2026: £70,190
• 18 July 2026: £69,690
• 28 July 2026: £69,090
• 6 August 2026: £68,590
• 22 August 2026: £68,190
• 9 September 2026: £68,690
• 26 September 2026: £67,090
• 4 October 2026: £67,541
• 15 October 2026: £66,090
• 16 October 2026: £65,990
• 24 October 2026: £64,990
• 27 October 2026: £64,985

Mileage and MOT

Advertised mileage is about 16,300 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. Mileage: 7,000 miles. Price: £77,995, £13,010 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-19687a3ee3a8
• 2023 BMW M3 Competition, 3.0 petrol estate, blue. Mileage: 8,000 miles. Price: £67,995, £3,010 more than this car. Dealer: Q Performance Ltd / My1stcar.org in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-60ae9b05970e
• 2023 BMW M3 Competition, 3.0 petrol estate, black. Mileage: 10,000 miles. Price: £73,975, £8,990 more than this car. Dealer: Sandwell Car Sales in West Bromwich. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-60d30f373312

• The nearest: 2023 BMW M3 Competition, 3.0 petrol estate, black, 13 miles from this car. Mileage: 33,000 miles. Price: £66,990, £2,005 more than this car. Dealer: R S Motorhouse in Leeds. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-fff4e2bbba47