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: 6,848 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 6,848 miles on the clock, this 2026 BMW 4 Series M Sport has done roughly 2,600 more miles than a typical 2026 BMW 4 Series. Priced at £42,995, it is advertised £1,938 above the AskCar estimate of £41,057. The AskCar estimate draws on 1,826 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 48 days ago. Its asking price has since fallen by £2,000. The seller is Group 1 Farnborough BMW, based in Farnborough. 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: £1,938 (4%) over the AskCar estimate of £41,057.

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 2026 BMW 4 Series with the 2.0 petrol engine is typically advertised at £41,000: the median of the 71 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2026 BMW 4 Series has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 19 September 2026 at £44,995. Its asking price is now £42,995, £2,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 19 September 2026: £44,995
• 26 September 2026: £45,550
• 29 October 2026: £43,995
• 4 November 2026: £42,995

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,600 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 6 November 2026.

The 3 closest to this car in mileage:

• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 7,136 miles. Price: £44,690, £1,695 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-9503c00002c2
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 5,898 miles. Price: £44,998, £2,003 more than this car. Dealer: Group 1 Chelmsford BMW in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-391cf379cd48
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 7,912 miles. Price: £41,500, £1,495 less 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, blue, 14 miles from this car. Mileage: 4,683 miles. Price: £46,490, £3,495 more than this car. Dealer: Lloyd Motor Group in Reading. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-66c1cfec54db