2018 BMW 4 Series Gran Coupe 2.0 420d M Sport

Price: £9,574. Fair price: £438 (4%) under the AskCar estimate of £10,012, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,174 priced BMW 4 Series Gran Coupe adverts on AskCar as of 7 November 2026.

AskCar lists 1,206 used BMW 4 Series Gran Coupe from 769 UK dealerships, as of 7 November 2026.

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: 120,250 miles
  • Fuel: Diesel
  • Body: Coupe, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Colour: Grey
  • CO2: 126 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 120,250 miles on the clock, this 2018 BMW 4 Series Gran Coupe M Sport has done roughly 46,600 more miles than a typical 2018 BMW 4 Series Gran Coupe. Its asking price of £9,574 is £438 below the AskCar estimate of £10,012. The AskCar estimate uses 1,174 UK dealer adverts for the BMW 4 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 163 days ago. Its asking price has since fallen by £1,516. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Mayfair Motor Solutions in Marble Arch. 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: £438 (4%) under the AskCar estimate of £10,012.

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 £11,090. Its asking price is now £9,574, £1,516 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 28 May 2026: £11,090
  • 10 June 2026: £11,040
  • 17 June 2026: £10,885
  • 3 July 2026: £10,650
  • 8 July 2026: £10,599
  • 24 July 2026: £10,499
  • 27 July 2026: £9,999
  • 29 July 2026: £9,899
  • 13 August 2026: £9,749
  • 17 October 2026: £9,649
  • 5 November 2026: £9,574

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 30 March 2027.

It has had 6 MOTs. The latest, on 31 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 111,555 miles, which matches the advertised 120,250 miles.

Advertised mileage is about 46,600 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 £12,890 to £12,995, 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: 79,000 miles. Price: £12,995, £3,421 more than this car. Dealer: Isaac Motors in Swansea. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-8778af55f6ed
  • 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel coupe, white. Mileage: 73,052 miles. Price: £12,964, £3,390 more than 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, £3,316 more than this car. Dealer: Evans Halshaw Hyundai Gateshead in Gateshead. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-5da5b33b1397

Browse all BMW 4 Series Gran Coupe cars for sale · 2018 BMW 4 Series Gran Coupe price guide

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Photos

65 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.