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 GPF M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2018
• Mileage: 89,974 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 89,974 miles, this 2018 BMW 4 Series Gran Coupe M Sport has covered about 16,300 more miles than other 2018 BMW 4 Series Gran Coupe cars. Priced at £12,199, it is advertised £1,028 above the AskCar estimate of £11,171. 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. The asking price is now £578 lower than when we first recorded the advert 104 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is CG Motor Land, based in Leicester. 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

Above the going rate: £1,028 (9%) over the AskCar estimate of £11,171.

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 104 days.

Price history

AskCar first saw this advert on 26 July 2026 at £12,777. Its asking price is now £12,199, £578 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 26 July 2026: £12,777
• 20 October 2026: £12,199

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 16 July 2027.

It has had 6 MOTs. The latest, on 17 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 89,974 miles, which matches the advertised 89,974 miles.

Advertised mileage is about 16,300 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, black. Mileage: 90,000 miles. Price: £12,990, £791 more than this car. Dealer: GCM Vehicles in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-2983012f9130
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey. Mileage: 89,000 miles. Price: £13,494, £1,295 more than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-8c4f4034f52f
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 91,000 miles. Price: £10,475, £1,724 less 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, white, 5 miles from this car. Mileage: 91,000 miles. Price: £10,490, £1,709 less than this car. Dealer: Ashton Motors in Leicester. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-7769c64d41fc