2018 BMW 4 Series 2.0 420d Sport

Price: £7,800. Good value: £840 (9%) under the AskCar estimate of £8,640, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,833 priced BMW 4 Series adverts on AskCar as of 5 November 2026.

AskCar lists 1,879 used BMW 4 Series from 1,081 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: 4 Series
  • Trim: Sport
  • Version: 2.0 420d Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
  • Year: 2018
  • Mileage: 121,000 miles
  • Fuel: Diesel
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 114 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 121,000 miles on the clock, this 2018 BMW 4 Series Sport has done roughly 58,600 more miles than a typical 2018 BMW 4 Series. Priced at £7,800, it is advertised £840 below the AskCar estimate of £8,640. The AskCar estimate uses 1,833 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 38 days ago, and its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is CNH Cars, based in Welwyn. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £840 (9%) under the AskCar estimate of £8,640.

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 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW 4 Series with the 2.0 diesel engine is typically advertised at £14,500: the median of the 117 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 28 September 2026 at £8,800. Its asking price is now £7,800, £1,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 28 September 2026: £8,800
  • 3 October 2026: £8,700
  • 4 October 2026: £8,600
  • 15 October 2026: £8,500
  • 21 October 2026: £7,900
  • 4 November 2026: £7,800

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 14 January 2027.

It has had 7 MOTs. The latest, on 8 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 112,097 miles, which matches the advertised 121,000 miles.

Advertised mileage is about 58,600 miles higher than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

1 other 2018 BMW 4 Series Sport 2.0 diesel automatic coupe is for sale at UK dealers, as of 5 November 2026.

The closest to this car in mileage:

  • 2018 BMW 4 Series Sport, 2.0 diesel coupe, black. Mileage: 87,000 miles. Price: £10,995, £3,195 more than this car. Dealer: Peverel Car Company in Wickham Bishops. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-276c96e6b6ea

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

More like this

Photos

28 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.