2018 BMW 4 Series 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420i M Sport Auto 4WD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2018
• Mileage: 58,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport is advertised with 58,000 miles, approximately 5,300 below the typical mileage for its age. Its asking price of £14,490 is £1,121 below the AskCar estimate of £15,611. To work out the AskCar estimate, we analyse UK dealer adverts for 1,787 BMW 4 Series cars across different ages and specifications. We have tracked this advert for 39 days. Its advertised mileage matches the government's MOT record. It is advertised by One Class Auto in Sandy. 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: £1,121 (7%) under the AskCar estimate of £15,611.

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 39 days.

Price history

AskCar first saw this advert on 24 September 2026 at £14,490. 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 22 September 2027.

It has had 8 MOTs. The latest, on 23 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,479 miles, which matches the advertised 58,000 miles.

Advertised mileage is about 5,300 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, blue. Mileage: 57,500 miles. Price: £16,499, £2,009 more than this car. Dealer: Trust'd Motors in Manchester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-b341cb4f77a6
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 57,058 miles. Price: £13,250, £1,240 less than this car. Dealer: Carpoint UK Motor Company in Newport. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-71a2eaffc0e1
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 54,352 miles. Price: £13,995, £495 less than this car. Dealer: House of Motors London in Barking and Dagenham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-292d549576ad

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, red, under a mile from this car. Mileage: 54,000 miles. Price: £14,450, the same price as this car. Dealer: Windmill Autos in Sandy. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c15579ed5561