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: 8,294 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

The advertised mileage for this 2025 BMW 4 Series M Sport is 8,294 miles. Priced at £41,995, it is advertised £4,055 above the AskCar estimate of £37,940. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. We first saw this car advertised 48 days ago. Its asking price has since fallen by £3,000. The seller is Group 1 Hailsham BMW, based in Hailsham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £4,055 (10%) over the AskCar estimate of £37,940.

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 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 November 2026.

A 2025 BMW 4 Series with the 2.0 petrol engine is typically advertised at £37,500: the median of the 51 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2025 BMW 4 Series has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 18 September 2026 at £44,995. Its asking price is now £41,995, £3,000 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 18 September 2026: £44,995
• 25 September 2026: £44,350
• 29 September 2026: £43,995
• 7 October 2026: £43,795
• 10 October 2026: £42,995
• 16 October 2026: £42,850
• 20 October 2026: £42,495
• 25 October 2026: £42,450
• 30 October 2026: £41,995

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 800 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 5 November 2026.

The 3 closest to this car in mileage:

• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 8,380 miles. Price: £41,879, £116 less than this car. Dealer: Halliwell Jones Warrington BMW in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-6a151cda6ec6
• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 8,027 miles. Price: £40,999, £996 less than this car. Dealer: Halliwell Jones Chester BMW in Chester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-bce0ff9f3768
• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, white. Mileage: 8,743 miles. Price: £42,750, £755 more than this car. Dealer: JKC BMW in Coleraine. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-3f1c0633ad2e

• The nearest: 2025 BMW 4 Series M Sport, 2.0 petrol convertible, blue, under a mile from this car. Mileage: 7,506 miles. Price: £41,495, £500 less than this car. Dealer: Group 1 Hailsham BMW in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-0a1ead7b831b