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 Manual RWD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 118,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 118,000 miles, this 2018 BMW 4 Series Gran Coupe M Sport has covered about 44,300 more miles than other 2018 BMW 4 Series Gran Coupe cars. The AskCar estimate for this car is £8,614. It is priced at £8,995, which is £381 above that estimate. The AskCar estimate uses 1,174 UK dealer adverts for the BMW 4 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 22 days ago, and its asking price has since fallen by £800. Its advertised mileage matches the government's MOT record. The seller is Coventry Sterling Motors, based in Coventry. 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: £381 (4%) over the AskCar estimate of £8,614.

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 22 days.

Price history

AskCar first saw this advert on 16 October 2026 at £9,795. Its asking price is now £8,995, £800 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 16 October 2026: £9,795
• 28 October 2026: £9,500
• 6 November 2026: £8,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 8 November 2026.

It has had 6 MOTs. The latest, on 16 October 2026, passed.

Advisories at the latest test: rear registration plate deteriorated but not likely to be misread.

Mileage at that test: 112,839 miles, which matches the advertised 118,000 miles.

Advertised mileage is about 44,300 miles higher than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

5 other 2018 BMW 4 Series Gran Coupe M Sport 2.0 diesel manual hatchbacks are for sale at UK dealers, from £7,995 to £13,495, 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, silver. Mileage: 110,000 miles. Price: £7,995, £1,000 less than this car. Dealer: Dunway in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-0b940ceaa159
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, white. Mileage: 81,080 miles. Price: £11,200, £2,205 more than this car. Dealer: VANBAHN Commercial Specialists in Lytham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-78c992073aef
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, white. Mileage: 72,000 miles. Price: £10,999, £2,004 more than this car. Dealer: Cars Of Christchurch in Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4b15f5db9e39

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, black, 79 miles from this car. Mileage: 65,872 miles. Price: £12,989, £3,994 more than this car. Dealer: Stirling Cars in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-650822cc1a57