2018 BMW 4 Series Gran Coupe 2.0 420i M Sport

Price: £17,488. Fair price: £400 (2%) under the AskCar estimate of £17,888, 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 4WD Euro 6 (s/s) 5dr (181 bhp)
  • Year: 2018
  • Mileage: 35,000 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 150 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series Gran Coupe M Sport is advertised with 35,000 miles, approximately 38,700 below the typical mileage for its age. Priced at £17,488, it is advertised £400 below the AskCar estimate of £17,888. 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. This car was first seen in our listings data 20 days ago. Its advertised mileage matches the government's MOT record. The seller is Junction 17 Cars (Rugby), based in Rugby. 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: £400 (2%) under the AskCar estimate of £17,888.

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 20 days.

Price history

AskCar first saw this advert on 18 October 2026 at £17,488. Its asking price has not changed.

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 November 2026.

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

There were no advisories at the latest test.

Mileage at that test: 32,105 miles, which matches the advertised 35,000 miles.

Advertised mileage is about 38,700 miles lower 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, blue. Mileage: 32,572 miles. Price: £15,991, £1,497 less than this car. Dealer: Cars of Penarth Road in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-a633a30bb0bf
  • 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black. Mileage: 40,616 miles. Price: £15,995, £1,493 less than this car. Dealer: T Wall Approved in Kingswinford. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-4ab91d0a8bff
  • 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey. Mileage: 29,167 miles. Price: £16,490, £998 less than this car. Dealer: Moss Hall in Heywood. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-65aa5cf7a68e
  • The nearest: 2018 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, black, 17 miles from this car. Mileage: 89,974 miles. Price: £12,199, £5,289 less than this car. Dealer: CG Motor Land in Leicester. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-224bfaed6228

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

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Photos

54 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.