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: 72,000 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

This 2018 BMW 4 Series Gran Coupe M Sport has covered 72,000 miles. The AskCar estimate for this car is £14,263. It is priced at £13,850, which is £413 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,174 BMW 4 Series Gran Coupe cars across different ages and specifications. We first saw this car advertised 30 days ago. Its asking price has since fallen by £149. The government's MOT record matches its advertised mileage. You can find this car at Bav Motors in Yeovil. 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: £413 (2%) under the AskCar estimate of £14,263.

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 30 days.

Price history

AskCar first saw this advert on 8 October 2026 at £13,999. Its asking price is now £13,850, £149 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 8 October 2026: £13,999
• 28 October 2026: £13,895
• 30 October 2026: £13,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 17 July 2027.

It failed its MOT on 6 July 2026 (nearside rear tyre tread depth below requirements of 1.6mm; offside rear tyre tread depth below requirements of 1.6mm) and passed later the same day.

Advisories at the latest test: front brake pad(s) wearing thin; rear brake pad(s) wearing thin.

Mileage at that test: 69,512 miles, which matches the advertised 72,000 miles.

Advertised mileage is about 1,700 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 £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: 71,000 miles. Price: £14,799, £949 more than this car. Dealer: AB Car Sales in Gunnislake. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-973585b8e131
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, silver. Mileage: 70,910 miles. Price: £14,999, £1,149 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, £651 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, white, 49 miles from this car. Mileage: 122,091 miles. Price: £9,999, £3,851 less than this car. Dealer: Alisons Automotive Group in Cam. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-3233c5b3d481