2018 BMW 4 Series Gran Coupe 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series Gran Coupe
• Trim: M Sport
• Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2018
• Mileage: 107,388 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 107,388 miles, this 2018 BMW 4 Series Gran Coupe M Sport has covered about 33,700 more miles than other 2018 BMW 4 Series Gran Coupe cars. The dealer is asking £9,985, which is £384 below the AskCar estimate of £10,369. 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 have tracked this advert for 8 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at IM Car Supermarket in Luton. 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: £384 (3%) under the AskCar estimate of £10,369.

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 petrol 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 8 days.

Price history

AskCar first saw this advert on 30 October 2026 at £9,985. 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 7 November 2026: valid until 2 June 2027.

It has had 8 MOTs. The latest, on 1 June 2026, passed.

Advisories at the latest test: rear registration plate deteriorated but not likely to be misread; offside rear shock absorbers has light misting of oil; offside front play in steering rack inner joint(s); and 1 more.

Mileage at that test: 104,010 miles, which matches the advertised 107,388 miles.

Advertised mileage is about 33,700 miles higher than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

36 other 2018 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £8,795 to £17,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 100,374 miles. Price: £11,495, £1,510 more than this car. Dealer: Second Chance Car Finance in Wetherby. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-3d0d6eebd18b
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 119,400 miles. Price: £8,990, £995 less than this car. Dealer: Automatic Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-7fa6d7eb95d1
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 91,000 miles. Price: £10,475, £490 more than this car. Dealer: AUR MOTORS in Sunbury-on-Thames. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4e20ea61a34a

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black, 2 miles from this car. Mileage: 74,550 miles. Price: £14,995, £5,010 more than this car. Dealer: K-Motor Sales in Luton. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4e933b80f5a3