2018 BMW 4 Series 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420i GPF M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2018
• Mileage: 50,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 50,000 miles, this 2018 BMW 4 Series M Sport has covered about 13,300 fewer miles than other 2018 BMW 4 Series cars. Priced at £14,990, it is advertised £155 above the AskCar estimate of £14,835. The AskCar estimate draws on 1,787 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 26 days ago. Its advertised mileage matches the government's MOT record. You can find this car at S James Prestige in Stamford. 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: £155 (1%) over the AskCar estimate of £14,835.

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 2018 BMW 4 Series with the 2.0 petrol engine is typically advertised at £14,800: the median of the 112 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 26 days.

Price history

AskCar first saw this advert on 7 October 2026 at £14,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 July 2027.

It failed its MOT on 22 July 2026 (central front windscreen damaged but not adversely affecting driver's view; nearside rear shock absorbers has a serious fluid leak) and passed later the same day.

Advisories at the latest test: central front windscreen damaged but not adversely affecting driver's view; nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; and 2 more.

Mileage at that test: 47,985 miles, which matches the advertised 50,000 miles.

Advertised mileage is about 13,300 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

30 other 2018 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £9,599 to £18,999, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 49,973 miles. Price: £17,450, £2,460 more than this car. Dealer: Anchor Cars in Reading. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c37dd72340fd
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 49,000 miles. Price: £17,490, £2,500 more than this car. Dealer: First Autos in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-ba1cc968bd4b
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 47,070 miles. Price: £13,799, £1,191 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-f96510152a3d

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black, 17 miles from this car. Mileage: 26,971 miles. Price: £16,499, £1,509 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-64d5604e6be8