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: 71,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-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 is advertised with 71,000 miles, approximately 2,500 below the typical mileage for its age. Its asking price of £14,799 is £374 above the AskCar estimate of £14,425. To work out the AskCar estimate, we analyse UK dealer adverts for 1,169 BMW 4 Series Gran Coupe cars across different ages and specifications. It first appeared in our advert records 136 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by AB Car Sales in Gunnislake. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £374 (2%) over the AskCar estimate of £14,425.

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 1,169 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 8 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 119 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2018 BMW 4 Series Gran Coupe has been on sale for at least 136 days.

Price history

AskCar first saw this advert on 25 June 2026 at £14,799. 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 8 November 2026: valid until 8 April 2027.

It has had 6 MOTs. The latest, on 9 April 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin; rear brake pad(s) wearing thin; front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 70,870 miles, which matches the advertised 71,000 miles.

Advertised mileage is about 2,500 miles lower than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

44 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 8 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey. Mileage: 71,000 miles. Price: £15,499, £700 more than this car. Dealer: Anslow Autos in Burton upon Trent. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-76fd7927ee30
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, silver. Mileage: 70,910 miles. Price: £14,999, £200 more than this car. Dealer: Jack Reid Cars in Carrickfergus. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-eff6dc64e1b0
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, black. Mileage: 70,700 miles. Price: £13,199, £1,600 less than this car. Dealer: Swap Motors in Egham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-1273da7f6466

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue, 78 miles from this car. Mileage: 45,883 miles. Price: £18,000, £3,201 more than this car. Dealer: Sytner Swansea MINI in Swansea. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-2bb7dafb6d4a