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: 5,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 147 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BMW 4 Series M Sport has covered 5,000 miles. The dealer is asking £40,975, which is £1,064 below the AskCar estimate of £42,039. To work out the AskCar estimate, we analyse UK dealer adverts for 1,787 BMW 4 Series cars across different ages and specifications. Since we first spotted the advert 84 days ago, the asking price has dropped by £1,515. The seller is Group 1 Borehamwood BMW, based in Borehamwood. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,064 (2%) under the AskCar estimate of £42,039.

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 1,787 priced BMW 4 Series adverts across different ages and specifications, as of 2 November 2026.

A 2026 BMW 4 Series with the 2.0 petrol engine is typically advertised at £41,600: the median of the 68 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2026 BMW 4 Series has been on sale for at least 84 days.

Price history

AskCar first saw this advert on 10 August 2026 at £42,490. Its asking price is now £40,975, £1,515 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 10 August 2026: £42,490
• 28 August 2026: £43,975
• 16 September 2026: £43,475
• 10 October 2026: £41,975
• 21 October 2026: £41,475
• 31 October 2026: £40,975

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,000 miles higher than the median mileage of a 2026 BMW 4 Series on AskCar.

Similar cars

24 other 2026 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £26,920 to £56,512, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2026 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 5,429 miles. Price: £39,950, £1,025 less than this car. Dealer: Lloyd Newcastle BMW in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-1fba011f6f44
• 2026 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 5,429 miles. Price: £39,950, £1,025 less than this car. Dealer: Lloyd Newcastle BMW in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-e3fcdf2fb182
• 2026 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 4,569 miles. Price: £41,671, £696 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-41a4f5139795

• The nearest: 2026 BMW 4 Series M Sport, 2.0 petrol coupe, 5 miles from this car. Mileage: 10 miles. Price: £56,512, £15,537 more than this car. Dealer: Dick Lovett in Potters Bar. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-9f190c30be7a