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 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 91,159 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series Gran Coupe M Sport has covered 91,159 miles, around 17,500 more miles than is typical for its age. The AskCar estimate for this car is £12,900. It is priced at £13,490, which is £590 above that estimate. The AskCar estimate draws on 1,174 BMW 4 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 11 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Kennington Car Sales in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £590 (4%) over the AskCar estimate of £12,900.

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 1,174 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 7 November 2026.

A 2018 BMW 4 Series Gran Coupe with the 2.0 diesel engine is typically advertised at £13,500: the median of the 123 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 BMW 4 Series Gran Coupe has been on sale for at least 11 days.

Price history

AskCar first saw this advert on 27 October 2026 at £13,490. 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 7 November 2026: valid until 1 March 2027.

It failed its MOT on 20 February 2026 (nearside front lower suspension arm ball joint dust cover severely deteriorated; offside front lower suspension arm ball joint dust cover severely deteriorated; offside front tyre has a bulge, caused by separation or partial failure of its structure 225-40/19) and passed later the same day.

Advisories at the latest test: nearside front lower suspension arm ball joint dust cover severely deteriorated; offside front lower suspension arm ball joint dust cover severely deteriorated.

Mileage at that test: 86,463 miles, which matches the advertised 91,159 miles.

Advertised mileage is about 17,500 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 £19,990, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey. Mileage: 90,880 miles. Price: £12,989, £501 less than this car. Dealer: Herts And Essex Motor Company in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-5284f1e3c363
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, black. Mileage: 90,500 miles. Price: £12,690, £800 less than this car. Dealer: Globe Cars in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-a8ffa6d2ed46
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue. Mileage: 89,508 miles. Price: £13,999, £509 more than this car. Dealer: Jack Reid Cars in Carrickfergus. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-536ab1ed6a76

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, white, 12 miles from this car. Mileage: 81,200 miles. Price: £12,489, £1,001 less than this car. Dealer: The Car Guys in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-b5cb90fa5d57