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: 51,731 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

With 51,731 miles on the clock, this 2018 BMW 4 Series Gran Coupe M Sport has done roughly 21,800 fewer miles than a typical 2018 BMW 4 Series Gran Coupe. The AskCar estimate for this car is £14,617. It is priced at £14,495, which is £122 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,169 BMW 4 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 39 days ago. Its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. You can find this car at Andrew Howie Cars in Hailsham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £122 (under 1%) under the AskCar estimate of £14,617.

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 1,169 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 8 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 119 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2018 BMW 4 Series Gran Coupe has been on sale for at least 39 days.

Price history

AskCar first saw this advert on 30 September 2026 at £14,995. Its asking price is now £14,495, £500 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 30 September 2026: £14,995
• 22 October 2026: £14,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 24 March 2027.

It has had 6 MOTs. The latest, on 25 March 2026, passed.

Advisories at the latest test: nearside front inner tyre worn close to legal limit/worn on edge smooth on the edge; front brake disc worn, but not excessively both; rear brake disc worn, but not excessively both; and 1 more.

Mileage at that test: 47,360 miles, which matches the advertised 51,731 miles.

Advertised mileage is about 21,800 miles lower than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

35 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 8 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 55,000 miles. Price: £14,295, £200 less than this car. Dealer: Chase Lane Motors in Waltham Abbey. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-b4036ba54ad0
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 56,214 miles. Price: £13,450, £1,045 less than this car. Dealer: Marvello Trading in West Thurrock. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-5e1b65b547e0
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 44,993 miles. Price: £16,440, £1,945 more than this car. Dealer: Dace Motor Company - Trading Standards Approved in Stockport. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-3d29c407b5e4

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue, 28 miles from this car. Mileage: 60,000 miles. Price: £16,495, £2,000 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-d3c1e6033cf0