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 Manual RWD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 65,872 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 65,872 miles on the clock, this 2018 BMW 4 Series Gran Coupe M Sport has done roughly 7,600 fewer miles than a typical 2018 BMW 4 Series Gran Coupe. The dealer is asking £12,989, which is £430 above the AskCar estimate of £12,559. 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 104 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Stirling Cars in Hoddesdon. 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: £430 (3%) over the AskCar estimate of £12,559.

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 diesel 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 104 days.

Price history

AskCar first saw this advert on 27 July 2026 at £13,989. Its asking price is now £12,989, £1,000 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 28 July 2026: £13,989
• 12 September 2026: £13,489
• 25 September 2026: £13,989
• 19 October 2026: £13,489
• 28 October 2026: £12,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 13 January 2027.

It failed its MOT on 14 January 2026 (offside front suspension arm ball joint excessively worn; nearside rear tyre has ply or cords exposed; offside rear tyre has ply or cords exposed; and 2 more) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 63,862 miles, which matches the advertised 65,872 miles.

Advertised mileage is about 7,600 miles lower than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

5 other 2018 BMW 4 Series Gran Coupe M Sport 2.0 diesel manual hatchbacks are for sale at UK dealers, from £7,995 to £13,495, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, white. Mileage: 72,000 miles. Price: £10,999, £1,990 less than this car. Dealer: Cars Of Christchurch in Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4b15f5db9e39
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, white. Mileage: 81,080 miles. Price: £11,200, £1,789 less than this car. Dealer: VANBAHN Commercial Specialists in Lytham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-78c992073aef
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey. Mileage: 49,212 miles. Price: £13,495, £506 more than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-0d268e2d6caf

• The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey, 79 miles from this car. Mileage: 118,000 miles. Price: £8,995, £3,994 less than this car. Dealer: Coventry Sterling Motors in Coventry. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-7e9aab72bf42