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: 9,573 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 9,573 miles on the clock, this 2025 BMW 4 Series M Sport has done roughly 2,100 more miles than a typical 2025 BMW 4 Series. The dealer is asking £41,671, which is £4,165 above the AskCar estimate of £37,506. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. The asking price is now £2,000 lower than when we first recorded the advert 21 days ago. It is for sale at Berry Chiswick BMW in Brentford. 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: £4,165 (11%) over the AskCar estimate of £37,506.

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 21 days.

Price history

AskCar first saw this advert on 15 October 2026 at £43,671. Its asking price is now £41,671, £2,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 15 October 2026: £43,671
• 31 October 2026: £41,671

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,100 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, white. Mileage: 9,519 miles. Price: £39,979, £1,692 less 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, grey. Mileage: 8,792 miles. Price: £41,950, £279 more than this car. Dealer: Group 1 Farnborough BMW in Farnborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-997b75ca2dfd
• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, white. Mileage: 8,743 miles. Price: £42,750, £1,079 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, white, 6 miles from this car. Mileage: 6,145 miles. Price: £39,000, £2,671 less than this car. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-e754ba107642