2025 BMW 4 Series 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2025
• Mileage: 14,283 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 14,283 miles, this 2025 BMW 4 Series M Sport has covered about 6,700 more miles than other 2025 BMW 4 Series cars. The AskCar estimate for this car is £36,632. It is priced at £37,440, which is £808 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,816 BMW 4 Series cars across different ages and specifications. We first recorded this advert 54 days ago, and its asking price has since fallen by £550. The seller is Williams Bmw Rochdale, based in Rochdale. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £808 (2%) over the AskCar estimate of £36,632.

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 1,816 priced BMW 4 Series adverts across different ages and specifications, as of 8 November 2026.

A 2025 BMW 4 Series with the 2.0 petrol engine is typically advertised at £37,500: the median of the 52 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2025 BMW 4 Series has been on sale for at least 54 days.

Price history

AskCar first saw this advert on 15 September 2026 at £37,990. Its asking price is now £37,440, £550 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 15 September 2026: £37,990
• 6 October 2026: £36,990
• 21 October 2026: £31,990
• 24 October 2026: £37,990
• 30 October 2026: £37,440

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 6,700 miles higher than the median mileage of a 2025 BMW 4 Series on AskCar.

Similar cars

20 other 2025 BMW 4 Series M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £38,950 to £43,771, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 9,573 miles. Price: £41,671, £4,231 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-53a09ddb04d1
• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, white. Mileage: 9,519 miles. Price: £39,979, £2,539 more than this car. Dealer: Ocean Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-a9bb2cfa22a6
• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 19,453 miles. Price: £38,950, £1,510 more than this car. Dealer: Wollaston BMW in Wollaston. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-ed65106b72bf

• The nearest: 2025 BMW 4 Series M Sport, 2.0 petrol convertible, grey, 22 miles from this car. Mileage: 8,380 miles. Price: £41,579, £4,139 more than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-6a151cda6ec6