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 4WD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2018
• Mileage: 44,993 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series Gran Coupe M Sport has covered 44,993 miles, around 28,300 fewer miles than is typical for its age. Priced at £16,440, it is advertised £456 below the AskCar estimate of £16,896. The AskCar estimate draws on 1,183 BMW 4 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 70 days ago. Its asking price has since fallen by £430. Our latest MOT record expired on 25 October 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. You can find this car at Dace Motor Company - Trading Standards Approved in Stockport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £456 (2%) under the AskCar estimate of £16,896.

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 1,183 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 6 November 2026.

A 2018 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £13,400: the median of the 124 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 BMW 4 Series Gran Coupe has been on sale for at least 70 days.

Price history

AskCar first saw this advert on 28 August 2026 at £16,870. Its asking price is now £16,440, £430 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 28 August 2026: £16,870
• 4 September 2026: £16,840
• 3 October 2026: £17,340
• 5 October 2026: £17,190
• 9 October 2026: £17,170
• 16 October 2026: £16,940
• 2 November 2026: £16,440

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 25 October 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 22 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 41,822 miles, which matches the advertised 44,993 miles.

Advertised mileage is about 28,300 miles lower 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 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 43,785 miles. Price: £16,490, £50 more than this car. Dealer: County Specialist Vehicles in Taunton. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-e24579cfdf64
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 43,069 miles. Price: £17,115, £675 more than this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-ff0e866c69da
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 40,930 miles. Price: £17,995, £1,555 more than this car. Dealer: Cars Spot in Ilford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-0f0776e4ae4f

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey, 7 miles from this car. Mileage: 89,000 miles. Price: £13,494, £2,946 less than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-8c4f4034f52f