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: 40,930 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series Gran Coupe M Sport is advertised with 40,930 miles, approximately 32,300 below the typical mileage for its age. The AskCar estimate for this car is £16,319. It is priced at £17,995, which is £1,676 above that estimate. The AskCar estimate uses 1,183 UK dealer adverts for the BMW 4 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 162 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Cars Spot in Ilford. 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

Above the going rate: £1,676 (10%) over the AskCar estimate of £16,319.

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 162 days.

Price history

AskCar first saw this advert on 28 May 2026 at £19,995. Its asking price is now £17,995, £2,000 less. The latest price cut was seen on 25 July 2026.

Price changes recorded:

• 28 May 2026: £19,995
• 25 July 2026: £17,995

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 June 2027.

It has had one MOT, on 16 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 40,999 miles, which matches the advertised 40,930 miles.

Advertised mileage is about 32,300 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 £17,488, 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: 40,616 miles. Price: £15,995, £2,000 less than this car. Dealer: T Wall Approved in Kingswinford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4ab91d0a8bff
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 43,069 miles. Price: £17,115, £880 less 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, black. Mileage: 43,785 miles. Price: £16,490, £1,505 less than this car. Dealer: County Specialist Vehicles in Taunton. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-e24579cfdf64

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, 7 miles from this car. Mileage: 56,214 miles. Price: £13,450, £4,545 less than this car. Dealer: Marvello Trading in West Thurrock. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-5e1b65b547e0