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 Manual RWD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2018
• Mileage: 84,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 141 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 84,000 miles, this 2018 BMW 4 Series Gran Coupe M Sport has covered about 10,100 more miles than other 2018 BMW 4 Series Gran Coupe cars. The AskCar estimate for this car is £10,964. It is priced at £10,750, which is £214 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,195 BMW 4 Series Gran Coupe cars across different ages and specifications. It first appeared in our advert records today. The government's MOT record matches its advertised mileage. You can find this car at Simply Cars in Sittingbourne. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Price

Fair price: £214 (1%) under the AskCar estimate of £10,964.

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 1,195 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 14 November 2026.

A 2018 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £13,200: the median of the 127 for sale on AskCar, as of 14 November 2026.

Time on sale

AskCar first saw this 2018 BMW 4 Series Gran Coupe advertised today. About 4 in 10 of 2018 BMW 4 Series Gran Coupe cars are gone from sale within a month of being advertised: 85 of the 208 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 14 November 2026 at £10,750. 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 14 November 2026: valid until 7 May 2027.

It failed its MOT on 8 May 2026 (nearside front headlamp aim too high) and passed later the same day.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 81,263 miles, which matches the advertised 84,000 miles.

Advertised mileage is about 10,100 miles higher than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

4 other 2018 BMW 4 Series Gran Coupe M Sport 2.0 petrol manual hatchbacks are for sale at UK dealers, from £11,000 to £15,830, as of 14 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 71,250 miles. Price: £11,000, £250 more than this car. Dealer: The Motoring Centre in Royal Leamington Spa. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-c5413b3f5e63
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 44,121 miles. Price: £12,995, £2,245 more than this car. Dealer: Ideal Cars Sussex in Horsham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-62d39481ede6
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, silver. Mileage: 43,349 miles. Price: £15,830, £5,080 more than this car. Dealer: Norwich Van Centre in Norwich. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-b9c37f91a9b3