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 2dr Step (181 bhp)
• Year: 2026
• Mileage: 4,683 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2026 BMW 4 Series M Sport is 4,683 miles. Its asking price of £46,490 is £5,971 above the AskCar estimate of £40,519. The AskCar estimate draws on 1,787 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 68 days ago, the asking price has dropped by £3,500. The seller is Lloyd Motor Group, based in Reading. 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

Above the going rate: £5,971 (14%) over the AskCar estimate of £40,519.

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 68 days.

Price history

AskCar first saw this advert on 26 August 2026 at £49,990. Its asking price is now £46,490, £3,500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 26 August 2026: £49,990
• 18 September 2026: £47,990
• 14 October 2026: £46,990
• 27 October 2026: £46,490

Mileage and MOT

Advertised mileage is about 700 miles higher than the median mileage of a 2026 BMW 4 Series on AskCar.

Similar cars

18 other 2026 BMW 4 Series M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £41,949 to £48,465, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, blue. Mileage: 4,683 miles. Price: £46,490, the same price as this car. Dealer: Lloyd North Tyneside BMW in Tynemouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-8cb07edd50a1
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 4,957 miles. Price: £47,000, £510 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-f16b6bd08975
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 4,394 miles. Price: £43,908, £2,582 less than this car. Dealer: Hedin Automotive Woolwich BMW in Woolwich. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-782cc3792bb6

• The nearest: 2026 BMW 4 Series M Sport, 2.0 petrol convertible, grey, 14 miles from this car. Mileage: 6,848 miles. Price: £43,995, £2,495 less than this car. Dealer: Group 1 Farnborough BMW in Farnborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-b745900115be