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: 83,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 83,000 miles, this 2018 BMW 4 Series Gran Coupe M Sport has covered about 9,300 more miles than other 2018 BMW 4 Series Gran Coupe cars. The AskCar estimate for this car is £13,107. It is priced at £13,495, which is £388 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,174 BMW 4 Series Gran Coupe cars across different ages and specifications. We have tracked this advert for 17 days. Our records show an MOT expiry date of 24 September 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Westgrove Cars in Addlestone. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £388 (2%) over the AskCar estimate of £13,107.

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 1,174 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 7 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 123 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 BMW 4 Series Gran Coupe has been on sale for at least 17 days.

Price history

AskCar first saw this advert on 21 October 2026 at £13,495. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 24 September 2026; ask the dealer for the current MOT.

It has had 7 MOTs. The latest, on 18 September 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge worn on edges and nail in tyre; offside front tyre worn close to legal limit/worn on edge worn on edges; nearside rear tyre worn close to legal limit/worn on edge worn on edges; and 1 more.

Mileage at that test: 77,349 miles, which matches the advertised 83,000 miles.

Advertised mileage is about 9,300 miles higher 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 7 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey. Mileage: 82,312 miles. Price: £8,795, £4,700 less than this car. Dealer: Top Gear Harrow in Harrow. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-0534368f4a41
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 79,500 miles. Price: £11,995, £1,500 less than this car. Dealer: Ingatestone Motors in Ingatestone. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-b5fde2002af8
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 87,823 miles. Price: £11,978, £1,517 less than this car. Dealer: Fg Cars Loughborough in Loughborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-02bb610b4071

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, 6 miles from this car. Mileage: 91,000 miles. Price: £10,475, £3,020 less than this car. Dealer: AUR MOTORS in Sunbury-on-Thames. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4e20ea61a34a