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: 4,394 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 2026 BMW 4 Series M Sport is 4,394 miles. Priced at £44,375, it is advertised £2,464 above the AskCar estimate of £41,911. The AskCar estimate uses UK dealer asking prices, including 1,833 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 92 days ago. Its asking price has since fallen by £4,043. You can find this car at Hedin Automotive Woolwich BMW in London. 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: £2,464 (5%) over the AskCar estimate of £41,911.

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 92 days.

Price history

AskCar first saw this advert on 5 August 2026 at £48,418. Its asking price is now £44,375, £4,043 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 5 August 2026: £48,418
• 22 August 2026: £47,912
• 5 September 2026: £46,914
• 11 September 2026: £46,775
• 24 September 2026: £47,145
• 30 September 2026: £45,943
• 8 October 2026: £44,974
• 14 October 2026: £44,398
• 21 October 2026: £43,908
• 4 November 2026: £44,375

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 400 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, white. Mileage: 4,370 miles. Price: £44,495, £120 more than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-97a7fc570743
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, blue. Mileage: 4,683 miles. Price: £46,490, £2,115 more than this car. Dealer: Lloyd Motor Group in Reading. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-66c1cfec54db
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, blue. Mileage: 4,683 miles. Price: £46,490, £2,115 more than this car. Dealer: Lloyd North Tyneside BMW in Tynemouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-8cb07edd50a1

• The nearest: 2026 BMW 4 Series M Sport, 2.0 petrol convertible, black, 10 miles from this car. Mileage: 3,931 miles. Price: £43,000, £1,375 less than this car. Dealer: Sytner Chigwell BMW in Chigwell. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-a88dc37047af