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: 68,000 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 has covered 68,000 miles. The dealer is asking £15,500, which is £752 above the AskCar estimate of £14,748. 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 164 days ago. The advertised mileage is lower than the latest MOT reading of 79,502 miles. Ask the dealer to explain. Its recorded MOT is valid until 19 June 2027. The seller is AGS Automotive, based in Heathfield. 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: £752 (5%) over the AskCar estimate of £14,748.

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 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £15,500. 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 19 June 2027.

It has had 7 MOTs. The latest, on 15 June 2026, passed.

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

Mileage at that test: 79,502 miles. The advert says 68,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 5,500 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, black. Mileage: 69,000 miles. Price: £14,750, £750 less than this car. Dealer: Direct Car Sales in Kingsnorth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-03f4493e7e45
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, white. Mileage: 66,812 miles. Price: £14,990, £510 less than this car. Dealer: Wolfe Westerham Garage in Westerham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-a9f2d613ba93
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey. Mileage: 69,548 miles. Price: £15,791, £291 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-3da7c9f06bf5

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey, 12 miles from this car. Mileage: 76,300 miles. Price: £13,830, £1,670 less than this car. Dealer: Hailsham and Hampden Park Motoring Centres in Eastbourne. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-678a5683b827