2018 BMW 4 Series 2.0 420d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420d M Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2018
• Mileage: 59,781 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport is advertised with 59,781 miles, approximately 3,300 below the typical mileage for its age. The dealer is asking £14,495, which is £201 below the AskCar estimate of £14,696. To work out the AskCar estimate, we analyse UK dealer adverts for 1,822 BMW 4 Series cars across different ages and specifications. We have tracked this advert for 1 day. Its MOT is recorded as valid until 11 June 2027. It is advertised by Car Brothers NI in Newtownabbey. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £201 (1%) under the AskCar estimate of £14,696.

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 1,822 priced BMW 4 Series adverts across different ages and specifications, as of 12 November 2026.

A 2018 BMW 4 Series with the 2.0 diesel engine is typically advertised at £14,500: the median of the 126 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2018 BMW 4 Series advertised 1 day ago. About 4 in 10 of 2018 BMW 4 Series cars are gone from sale within a month of being advertised: 139 of the 310 first advertised between 12 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £14,495. 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 12 November 2026: valid until 11 June 2027.

Advertised mileage is about 3,300 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

36 other 2018 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £10,000 to £17,988, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 58,687 miles. Price: £14,975, £480 more than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-a54a132dfbd6
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 61,051 miles. Price: £13,994, £501 less than this car. Dealer: Alisons Automotive Group in Cam. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-8f7b1e60ce17
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 57,490 miles. Price: £15,990, £1,495 more than this car. Dealer: Formula One Car Supermarket in Falkirk. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-1a029027c8f1

• The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue, 7 miles from this car. Mileage: 66,164 miles. Price: £15,499, £1,004 more than this car. Dealer: Charles Hurst Usedirect Portadown in Belfast. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-79d292e9be86