2018 BMW 4 Series Gran Coupe 2.0 420d M Sport

Price: £17,450. Fair price: £970 (5%) under the AskCar estimate of £18,420, 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 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2018
  • Mileage: 37,673 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Silver
  • CO2: 126 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 37,673 miles on the clock, this 2018 BMW 4 Series Gran Coupe M Sport has done roughly 36,000 fewer miles than a typical 2018 BMW 4 Series Gran Coupe. The AskCar estimate for this car is £18,420. It is priced at £17,450, which is £970 below that estimate. 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 11 days ago. Its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is North Oxford Bmw, based in Oxford. 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: £970 (5%) under the AskCar estimate of £18,420.

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 11 days.

Price history

AskCar first saw this advert on 27 October 2026 at £17,950. Its asking price is now £17,450, £500 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 27 October 2026: £17,950
  • 6 November 2026: £17,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 26 March 2027.

It failed its MOT on 9 March 2026 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed later the same day.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; nearside front suspension arm pin or bush worn but not resulting in excessive movement; offside front suspension arm pin or bush worn but not resulting in excessive movement.

Mileage at that test: 36,224 miles, which matches the advertised 37,673 miles.

Advertised mileage is about 36,000 miles lower than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

46 other 2018 BMW 4 Series Gran Coupe M Sport 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £7,995 to £19,990, 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, white. Mileage: 40,028 miles. Price: £16,495, £955 less than this car. Dealer: Autolex Motors in Crewe. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-813bbe079855
  • 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue. Mileage: 35,000 miles. Price: £18,000, £550 more than this car. Dealer: M.m.r Motor Group in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-883f6054c193
  • 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, blue. Mileage: 45,883 miles. Price: £18,000, £550 more than this car. Dealer: Sytner Swansea MINI in Swansea. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-2bb7dafb6d4a
  • The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 diesel hatchback, grey, 28 miles from this car. Mileage: 91,159 miles. Price: £13,490, £3,960 less than this car. Dealer: Kennington Car Sales in Bletchley. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-5a2cbfae73d7

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

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Photos

34 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.