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: 2,877 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 2,877 miles. Its asking price of £44,671 is £2,591 above the AskCar estimate of £42,080. To work out the AskCar estimate, we analyse UK dealer adverts for 1,826 BMW 4 Series cars across different ages and specifications. The asking price is now £9,329 lower than when we first recorded the advert 72 days ago. You can find this car at Berry Chiswick BMW in Brentford. 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: £2,591 (6%) over the AskCar estimate of £42,080.

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 72 days.

Price history

AskCar first saw this advert on 26 August 2026 at £54,000. Its asking price is now £44,671, £9,329 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 26 August 2026: £54,000
• 8 October 2026: £47,711
• 1 November 2026: £44,671

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,300 miles lower 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: 2,953 miles. Price: £48,465, £3,794 more than this car. Dealer: Berry Croydon BMW in Croydon. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-ef16922d18ee
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 3,931 miles. Price: £43,000, £1,671 less than this car. Dealer: Sytner Chigwell BMW in Chigwell. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-a88dc37047af
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, white. Mileage: 4,370 miles. Price: £44,495, £176 less than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-97a7fc570743

• The nearest: 2026 BMW 4 Series M Sport, 2.0 petrol convertible, blue, 11 miles from this car. Mileage: 10,825 miles. Price: £42,771, £1,900 less than this car. Dealer: Berry Cobham BMW in Cobham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-9bb88dcb4857