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: 17,653 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 17,653 miles on the clock, this 2018 BMW 4 Series Gran Coupe M Sport has done roughly 56,000 fewer miles than a typical 2018 BMW 4 Series Gran Coupe. Priced at £19,990, it is advertised £363 below the AskCar estimate of £20,353. 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. Since we first spotted the advert 64 days ago, the asking price has dropped by £2,000. Its advertised mileage matches the government's MOT record. It is advertised by Heaton Autos in Stockport. 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: £363 (1%) under the AskCar estimate of £20,353.

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 64 days.

Price history

AskCar first saw this advert on 4 September 2026 at £21,990. Its asking price is now £19,990, £2,000 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 4 September 2026: £21,990
• 22 September 2026: £21,490
• 6 October 2026: £20,990
• 19 October 2026: £20,490
• 21 October 2026: £19,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 11 November 2026.

It has had 5 MOTs. The latest, on 10 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 17,452 miles, which matches the advertised 17,653 miles.

Advertised mileage is about 56,000 miles lower 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 £18,000, 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, blue. Mileage: 35,000 miles. Price: £18,000, £1,990 less than this car. Dealer: M.m.r Motor Group in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-883f6054c193
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, silver. Mileage: 37,673 miles. Price: £17,450, £2,540 less than this car. Dealer: North Oxford Bmw in Oxford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-9e6c4020acf0
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, white. Mileage: 40,028 miles. Price: £16,495, £3,495 less than this car. Dealer: Autolex Motors in Crewe. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-813bbe079855

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, black, 7 miles from this car. Mileage: 73,500 miles. Price: £13,494, £6,496 less than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-2364a41ff7dc