2018 BMW 4 Series Gran Coupe 2.0 420d M Sport

Overview

• Make: BMW
• Model: 4 Series Gran Coupe
• Trim: M Sport
• Version: 2.0 420d M Sport Auto RWD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 126,110 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 126,110 miles on the clock, this 2018 BMW 4 Series Gran Coupe M Sport has done roughly 52,600 more miles than a typical 2018 BMW 4 Series Gran Coupe. Its asking price of £9,200 is £523 below the AskCar estimate of £9,723. The AskCar estimate uses UK dealer asking prices, including 1,170 BMW 4 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Car Planet Watford in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £523 (5%) under the AskCar estimate of £9,723.

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 1,170 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 9 November 2026.

A 2018 BMW 4 Series Gran Coupe with the 2.0 diesel engine is typically advertised at £13,400: the median of the 121 for sale on AskCar, as of 9 November 2026.

Time on sale

AskCar first saw this 2018 BMW 4 Series Gran Coupe advertised today. About 4 in 10 of 2018 BMW 4 Series Gran Coupe cars are gone from sale within a month of being advertised: 78 of the 196 first advertised between 14 July 2026 and 6 October 2026.

Price history

AskCar first saw this advert on 9 November 2026 at £9,200. 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 9 November 2026: valid until 4 October 2027.

It has had 7 MOTs. The latest, on 1 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 124,261 miles, which matches the advertised 126,110 miles.

Advertised mileage is about 52,600 miles higher than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

46 other 2018 BMW 4 Series Gran Coupe M Sport 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £7,995 to £19,490, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, white. Mileage: 122,091 miles. Price: £9,694, £494 more than this car. Dealer: Alisons Automotive Group in Cam. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-3233c5b3d481
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, silver. Mileage: 117,500 miles. Price: £10,695, £1,495 more than this car. Dealer: The Car Collection in Evesham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-595874949dd2
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue. Mileage: 138,000 miles. Price: £8,995, £205 less than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4b2c514bf84e

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, black, 17 miles from this car. Mileage: 108,200 miles. Price: £11,547, £2,347 more than this car. Dealer: IM Car Supermarket in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-2d8257528be5