2018 BMW 4 Series Gran Coupe 2.0 420d M Sport

Overview

• Make: BMW
• Model: 4 Series Gran Coupe
• Trim: M Sport
• Version: 2.0 420d M Sport Auto Euro 6 5dr (187 bhp)
• Year: 2018
• Mileage: 79,000 miles
• Fuel: Diesel
• Body: Coupe, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Colour: White
• CO2: 114 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series Gran Coupe M Sport has covered 79,000 miles, around 5,300 more miles than is typical for its age. Its asking price of £12,995 is £450 below the AskCar estimate of £13,445. The AskCar estimate uses UK dealer asking prices, including 1,174 BMW 4 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 15 days ago. The recorded MOT expired on 14 October 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Isaac Motors in Garngoch Industrial Estate. 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: £450 (3%) under the AskCar estimate of £13,445.

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 diesel 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 15 days.

Price history

AskCar first saw this advert on 23 October 2026 at £12,995. 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 14 October 2026; ask the dealer for the current MOT.

It failed its MOT on 6 October 2025 (offside front inner tyre has a cut in excess of the requirements deep enough to reach the ply or cords; horn sound not in accordance with requirements) and passed 9 days later, on 15 October 2025.

There were no advisories at the latest test.

Mileage at that test: 69,258 miles, which matches the advertised 79,000 miles.

Advertised mileage is about 5,300 miles higher than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

3 other 2018 BMW 4 Series Gran Coupe M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £9,574 to £12,964, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel coupe, white. Mileage: 73,052 miles. Price: £12,964, the same price as this car. Dealer: Sandicliffe MG Lincoln in Lincoln. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-e14d1e40e014
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel coupe, white. Mileage: 68,810 miles. Price: £12,890, £105 less than this car. Dealer: Evans Halshaw Hyundai Gateshead in Gateshead. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-5da5b33b1397
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel coupe, grey. Mileage: 120,250 miles. Price: £9,574, £3,421 less than this car. Dealer: Mayfair Motor Solutions in London. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-2f6809468bda