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: 5,640 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 5,640 miles. Its asking price of £41,450 is £2,674 above the AskCar estimate of £38,776. The AskCar estimate uses 1,826 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 37 days ago, and its asking price has since fallen by £1,500. The seller is Cotswold Bmw Cheltenham, based in Cheltenham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,674 (6%) over the AskCar estimate of £38,776.

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 1,826 priced BMW 4 Series adverts across different ages and specifications, as of 6 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 6 November 2026.

Time on sale

This 2025 BMW 4 Series has been on sale for at least 37 days.

Price history

AskCar first saw this advert on 30 September 2026 at £42,950. Its asking price is now £41,450, £1,500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 30 September 2026: £42,950
• 29 October 2026: £41,950
• 4 November 2026: £41,450

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,900 miles lower than the median mileage of a 2025 BMW 4 Series on AskCar.

Similar cars

19 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 6 November 2026.

The 3 closest to this car in mileage:

• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, white. Mileage: 5,685 miles. Price: £39,995, £1,455 less than this car. Dealer: E G Automotives in East Grinstead. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-9e30c1306769
• 2025 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 5,471 miles. Price: £43,771, £2,321 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, £2,040 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, under a mile from this car. Mileage: 4,566 miles. Price: £41,450, the same price as this car. Dealer: Cotswold Bmw Cheltenham in Cheltenham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2025-9c730537d843