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: 57,305 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 57,305 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 5,100 fewer miles than a typical 2018 BMW 4 Series. The AskCar estimate for this car is £15,049. It is priced at £14,995, which is £54 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,833 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 51 days ago. Its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Select Cars Shute Cross in Axminster. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £54 (under 1%) under the AskCar estimate of £15,049.

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 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW 4 Series with the 2.0 diesel engine is typically advertised at £14,500: the median of the 117 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 51 days.

Price history

AskCar first saw this advert on 15 September 2026 at £15,495. Its asking price is now £14,995, £500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 15 September 2026: £15,495
• 4 November 2026: £14,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 3 June 2027.

It has had 5 MOTs. The latest, on 4 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 57,172 miles, which matches the advertised 57,305 miles.

Advertised mileage is about 5,100 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

33 other 2018 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £10,000 to £17,498, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 57,490 miles. Price: £15,990, £995 more than this car. Dealer: Formula One Car Supermarket in Falkirk. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-1a029027c8f1
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 58,687 miles. Price: £14,975, the same price as 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, silver. Mileage: 55,130 miles. Price: £14,000, £995 less than this car. Dealer: Riverside Autos in Stowmarket. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-b1c2e8379467

• The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black, 57 miles from this car. Mileage: 73,531 miles. Price: £14,795, £200 less than this car. Dealer: Global Motors Sales in Launceston. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-778ff76f8368