2025 BMW M3 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 4dr M (523 bhp)
• Year: 2025
• Mileage: 2,346 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 523 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 228 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BMW M3 Competition has covered 2,346 miles, around 4,400 fewer miles than is typical for its age. Its asking price of £66,290 is £3,884 below the AskCar estimate of £70,174. The AskCar estimate uses UK dealer asking prices, including 756 BMW M3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 100 days ago, and its asking price has since fallen by £5,700. The seller is Barretts BMW Canterbury, based in Canterbury. 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: £3,884 (5%) under the AskCar estimate of £70,174.

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 2025 BMW M3 with the 3.0 petrol engine is typically advertised at £71,900: the median of the 78 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2025 BMW M3 has been on sale for at least 100 days.

Price history

AskCar first saw this advert on 25 July 2026 at £71,990. Its asking price is now £66,290, £5,700 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 25 July 2026: £71,990
• 11 August 2026: £71,490
• 14 August 2026: £70,990
• 19 August 2026: £69,990
• 8 September 2026: £68,990
• 13 September 2026: £69,590
• 17 September 2026: £65,190
• 23 September 2026: £69,190
• 25 September 2026: £68,990
• 29 September 2026: £68,490
• 15 October 2026: £67,990
• 17 October 2026: £66,990
• 24 October 2026: £66,490
• 31 October 2026: £66,290

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,400 miles lower than the median mileage of a 2025 BMW M3 on AskCar.

Similar cars

38 other 2025 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £57,500 to £75,949, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2025 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 2,450 miles. Price: £73,990, £7,700 more than this car. Dealer: HCL Prestige Car Supermarket in Ashford. AskCar page: https://askcar.co.uk/car/bmw-m3-2025-0cea9812b35a
• 2025 BMW M3 Competition, 3.0 petrol saloon, red. Mileage: 2,485 miles. Price: £70,395, £4,105 more than this car. Dealer: Vines of Redhill BMW in Redhill. AskCar page: https://askcar.co.uk/car/bmw-m3-2025-4ce4f5af86c0
• 2025 BMW M3 Competition, 3.0 petrol saloon, white. Mileage: 2,614 miles. Price: £68,995, £2,705 more than this car. Dealer: Park's Motor Group Douglas Park BMW Stirling in Stirling. AskCar page: https://askcar.co.uk/car/bmw-m3-2025-6b8e8f86d48a

• The nearest: 2025 BMW M3 Competition, 3.0 petrol saloon, grey, under a mile from this car. Mileage: 7,247 miles. Price: £65,990, £300 less than this car. Dealer: Barretts BMW Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/bmw-m3-2025-7907d7d13a25