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: 5,685 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

This 2025 BMW 4 Series M Sport is advertised with 5,685 miles on the clock. Its asking price of £39,995 is £1,155 above the AskCar estimate of £38,840. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 86 days. It is for sale at E G Automotives in East Grinstead. 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

Fair price: £1,155 (2%) over the AskCar estimate of £38,840.

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

The dealer may accept less. This 2025 BMW 4 Series has been on sale for at least 86 days. About half of 2025 BMW 4 Series cars are gone from sale within a month of being advertised: 31 of the 59 first advertised between 13 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 11 August 2026 at £39,995. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,800 miles lower 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, black. Mileage: 5,640 miles. Price: £41,450, £1,455 more than this car. Dealer: Cotswold Bmw Cheltenham in Cheltenham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-7a219f584c62
• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 5,471 miles. Price: £43,771, £3,776 more than this car. Dealer: Berry Cobham BMW in Cobham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-f6d4beb87f9a
• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 6,137 miles. Price: £43,490, £3,495 more than this car. Dealer: Barretts BMW Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-b8ce3a15661a

• The nearest: 2025 BMW 4 Series M Sport, 2.0 petrol convertible, blue, 21 miles from this car. Mileage: 7,506 miles. Price: £41,495, £1,500 more than this car. Dealer: Group 1 Hailsham BMW in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-0a1ead7b831b