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: 49,212 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 49,212 miles, this 2018 BMW 4 Series Gran Coupe M Sport has covered about 24,500 fewer miles than other 2018 BMW 4 Series Gran Coupe cars. The dealer is asking £13,495, which is £434 below the AskCar estimate of £13,929. 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. Since we first spotted the advert 163 days ago, the asking price has dropped by £2,100. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Motor Trust Haslingden in Rossendale. 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: £434 (3%) under the AskCar estimate of £13,929.

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 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £15,595. Its asking price is now £13,495, £2,100 less. The latest price cut was seen on 23 September 2026.

Price changes recorded:

• 29 May 2026: £15,595
• 27 June 2026: £14,795
• 21 July 2026: £14,395
• 9 August 2026: £14,195
• 12 September 2026: £13,795
• 23 September 2026: £13,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 28 December 2026.

It has had 6 MOTs. The latest, on 13 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 45,606 miles, which matches the advertised 49,212 miles.

Advertised mileage is about 24,500 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 £12,989, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, black. Mileage: 65,872 miles. Price: £12,989, £506 less than this car. Dealer: Stirling Cars in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-650822cc1a57
• 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, white. Mileage: 72,000 miles. Price: £10,999, £2,496 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, £2,295 less than this car. Dealer: VANBAHN Commercial Specialists in Lytham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-78c992073aef