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: 91,000 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 is advertised with 91,000 miles on the clock. Its asking price of £10,490 is £632 below the AskCar estimate of £11,122. 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 29 days ago. Its asking price has since fallen by £500. Ask the dealer why the advert shows fewer miles than the 91,698 recorded at the latest MOT. The latest recorded MOT expires on 17 August 2027. You can find this car at Ashton Motors in Leicester. 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: £632 (5%) under the AskCar estimate of £11,122.

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 29 days.

Price history

AskCar first saw this advert on 8 October 2026 at £10,990. Its asking price is now £10,490, £500 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 8 October 2026: £10,990
• 5 November 2026: £10,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 17 August 2027.

It failed its MOT on 14 August 2026 (nearside rear tyre has ply or cords exposed; offside rear tyre has ply or cords exposed) and passed 4 days later, on 18 August 2026.

There were no advisories at the latest test.

Mileage at that test: 91,698 miles. The advert says 91,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 17,800 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 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 91,000 miles. Price: £10,975, £485 more than this car. Dealer: AUR MOTORS in Sunbury-on-Thames. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4e20ea61a34a
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 90,000 miles. Price: £12,990, £2,500 more than this car. Dealer: GCM Vehicles in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-2983012f9130
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 89,974 miles. Price: £12,199, £1,709 more than this car. Dealer: CG Motor Land in Leicester. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-224bfaed6228