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: 19,453 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 19,453 miles on the clock, this 2025 BMW 4 Series M Sport has done roughly 11,900 more miles than a typical 2025 BMW 4 Series. Priced at £38,950, it is advertised £3,164 above the AskCar estimate of £35,786. The AskCar estimate draws on 1,816 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 8 days ago, the asking price has dropped by £800. It is advertised by Wollaston BMW in Northampton. 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

Above the going rate: £3,164 (8%) over the AskCar estimate of £35,786.

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 8 days.

Price history

AskCar first saw this advert on 31 October 2026 at £39,750. Its asking price is now £38,950, £800 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 31 October 2026: £39,750
• 4 November 2026: £38,950

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 11,900 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 £37,440 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, white. Mileage: 14,283 miles. Price: £37,440, £1,510 less than this car. Dealer: Williams Bmw Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-91b7da4a6348
• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 9,573 miles. Price: £41,671, £2,721 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, £1,029 more than this car. Dealer: Ocean Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-a9bb2cfa22a6

• The nearest: 2025 BMW 4 Series M Sport, 2.0 petrol convertible, blue, 30 miles from this car. Mileage: 7,315 miles. Price: £42,000, £3,050 more than this car. Dealer: Sytner Luton BMW in Luton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-07b172b7ca03