2018 BMW 4 Series Gran Coupe 2.0 420i M Sport

Price: £12,490. Fair price: £97 (under 1%) under the AskCar estimate of £12,587, 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 420i GPF M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
  • Year: 2018
  • Mileage: 73,823 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 BMW 4 Series Gran Coupe M Sport is 73,823 miles. Its asking price of £12,490 is £97 below the AskCar estimate of £12,587. 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. We first recorded this advert 38 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. The seller is Anchor Cars, based in Padworth. 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: £97 (under 1%) under the AskCar estimate of £12,587.

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 petrol 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 38 days.

Price history

AskCar first saw this advert on 30 September 2026 at £12,990. Its asking price is now £12,490, £500 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

  • 30 September 2026: £12,990
  • 23 October 2026: £12,995
  • 7 November 2026: £12,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 29 September 2027.

It has had 7 MOTs. The latest, on 30 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 73,785 miles, which matches the advertised 73,823 miles.

Advertised mileage is about 200 miles higher than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

36 other 2018 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £8,795 to £17,995, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 74,550 miles. Price: £14,995, £2,505 more than this car. Dealer: K-Motor Sales in Luton. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4e933b80f5a3
  • 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 75,052 miles. Price: £15,391, £2,901 more than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-13fbf527ea76
  • 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 75,510 miles. Price: £13,995, £1,505 more than this car. Dealer: Group 1 Farnborough BMW in Farnborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-5dc3490ae12b

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

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Photos

40 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.