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: 55,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series Gran Coupe M Sport has covered 55,000 miles, around 18,500 fewer miles than is typical for its age. The dealer is asking £14,295, which is £54 below the AskCar estimate of £14,349. To work out the AskCar estimate, we analyse UK dealer adverts for 1,169 BMW 4 Series Gran Coupe cars across different ages and specifications. We first saw this car advertised 83 days ago. Its asking price has since fallen by £1,200. The latest recorded MOT expiry date is 30 October 2026, which has passed. Confirm its status with the dealer. The government's MOT record matches its advertised mileage. You can find this car at Chase Lane Motors in Waltham Abbey. 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: £54 (under 1%) under the AskCar estimate of £14,349.

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 83 days.

Price history

AskCar first saw this advert on 17 August 2026 at £15,495. Its asking price is now £14,295, £1,200 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 17 August 2026: £15,495
• 28 August 2026: £14,995
• 25 October 2026: £14,495
• 6 November 2026: £14,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 24 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 39,220 miles, which matches the advertised 55,000 miles.

Advertised mileage is about 18,500 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: 56,214 miles. Price: £13,450, £845 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, black. Mileage: 51,731 miles. Price: £14,495, £200 more than this car. Dealer: Andrew Howie Cars in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-1ad8edadca4f
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 60,000 miles. Price: £15,649, £1,354 more than this car. Dealer: Bushey Car Sales in Radlett. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-02b44311bd04

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, 13 miles from this car. Mileage: 40,930 miles. Price: £17,995, £3,700 more than this car. Dealer: Cars Spot in Ilford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-0f0776e4ae4f