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: 5,898 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

This 2026 BMW 4 Series M Sport has covered 5,898 miles. Its asking price of £44,998 is £3,515 above the AskCar estimate of £41,483. 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 26 days ago. Its asking price has since fallen by £597. The seller is Group 1 Chelmsford BMW, based in Chelmsford. 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: £3,515 (8%) over the AskCar estimate of £41,483.

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 26 days.

Price history

AskCar first saw this advert on 10 October 2026 at £45,595. Its asking price is now £44,998, £597 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 10 October 2026: £45,595
• 22 October 2026: £44,998

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,900 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, blue. Mileage: 5,229 miles. Price: £43,000, £1,998 less than this car. Dealer: Sytner Worcester BMW in Worcester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-ac8f5aa3e2d0
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 5,030 miles. Price: £42,999, £1,999 less than this car. Dealer: cinch in Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-db521ae3212f
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 4,957 miles. Price: £46,500, £1,502 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-f16b6bd08975

• The nearest: 2026 BMW 4 Series M Sport, 2.0 petrol convertible, black, 20 miles from this car. Mileage: 3,931 miles. Price: £43,000, £1,998 less than this car. Dealer: Sytner Chigwell BMW in Chigwell. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-a88dc37047af