2026 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: 2026
• Mileage: 10,825 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 10,825 miles on the clock, this 2026 BMW 4 Series M Sport has done roughly 6,800 more miles than a typical 2026 BMW 4 Series. Its asking price of £42,771 is £2,938 above the AskCar estimate of £39,833. The AskCar estimate uses 1,833 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 71 days ago, the asking price has dropped by £2,000. The seller is Berry Cobham BMW, based in Cobham. 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: £2,938 (7%) over the AskCar estimate of £39,833.

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 2026 BMW 4 Series with the 2.0 petrol engine is typically advertised at £41,100: the median of the 66 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2026 BMW 4 Series has been on sale for at least 71 days.

Price history

AskCar first saw this advert on 26 August 2026 at £44,771. Its asking price is now £42,771, £2,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 26 August 2026: £44,771
• 31 October 2026: £42,771

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 6,800 miles higher than the median mileage of a 2026 BMW 4 Series on AskCar.

Similar cars

17 other 2026 BMW 4 Series M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £40,000 to £48,465, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 10,796 miles. Price: £40,000, £2,771 less than this car. Dealer: Sandal BMW Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-d96e19f06312
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, white. Mileage: 8,397 miles. Price: £45,950, £3,179 more than this car. Dealer: Sytner Luton BMW in Luton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-23d6b78be873
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 7,912 miles. Price: £42,850, £79 more than this car. Dealer: Sandal BMW Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-f9408dce76c7

• The nearest: 2026 BMW 4 Series M Sport, 2.0 petrol convertible, black, 11 miles from this car. Mileage: 2,877 miles. Price: £44,671, £1,900 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-817f119b1ab3