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: 43,069 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series Gran Coupe M Sport has covered 43,069 miles, around 30,200 fewer miles than is typical for its age. Priced at £17,115, it is advertised £36 above the AskCar estimate of £17,079. The AskCar estimate uses UK dealer asking prices, including 1,183 BMW 4 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 112 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Hippo Motor Group Peterborough, based in Peterborough. 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: £36 (under 1%) over the AskCar estimate of £17,079.

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 112 days.

Price history

AskCar first saw this advert on 17 July 2026 at £16,920. Its asking price is now £17,115, £195 more.

Price changes recorded:

• 17 July 2026: £16,920
• 19 July 2026: £17,955
• 28 July 2026: £16,920
• 31 July 2026: £16,780
• 19 August 2026: £16,580
• 21 August 2026: £16,540
• 22 August 2026: £16,520
• 26 August 2026: £16,560
• 2 September 2026: £16,600
• 4 September 2026: £16,640
• 5 September 2026: £16,600
• 7 September 2026: £17,635
• 10 September 2026: £16,600
• 11 September 2026: £16,640
• 15 September 2026: £16,500
• 17 September 2026: £16,440
• 22 September 2026: £16,400
• 23 September 2026: £16,440
• 24 September 2026: £16,320
• 25 September 2026: £16,280
• 29 September 2026: £16,380
• 30 September 2026: £16,360
• 1 October 2026: £16,380
• 2 October 2026: £16,400
• 9 October 2026: £16,240
• 14 October 2026: £16,260
• 16 October 2026: £16,000
• 23 October 2026: £16,040
• 3 November 2026: £16,080
• 5 November 2026: £17,115

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 15 March 2027.

It has had 7 MOTs. The latest, on 9 March 2026, passed.

Advisories at the latest test: nearside rear brake disc worn, pitted or scored, but not seriously weakened; offside rear brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 41,255 miles, which matches the advertised 43,069 miles.

Advertised mileage is about 30,200 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, £625 less 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, white. Mileage: 44,993 miles. Price: £16,440, £675 less 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
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 40,930 miles. Price: £17,995, £880 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, silver, 26 miles from this car. Mileage: 66,359 miles. Price: £12,995, £4,120 less than this car. Dealer: Revs in Boston. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-1bcf112e1c74