2018 BMW 4 Series 2.0 420d M Sport

Price: £14,000. Good value: £1,233 (8%) under the AskCar estimate of £15,233, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,814 priced BMW 4 Series adverts on AskCar as of 4 November 2026.

AskCar lists 1,865 used BMW 4 Series from 1,070 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: 4 Series
  • Trim: M Sport
  • Version: 2.0 420d M Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
  • Year: 2018
  • Mileage: 55,130 miles
  • Fuel: Diesel
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 55,130 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 7,900 fewer miles than a typical 2018 BMW 4 Series. Priced at £14,000, it is advertised £1,233 below the AskCar estimate of £15,233. The AskCar estimate uses UK dealer asking prices, including 1,814 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 13 days. Its advertised mileage matches the government's MOT record. It is for sale at Riverside Autos in Stowmarket. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Good value: £1,233 (8%) under the AskCar estimate of £15,233.

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 1,814 priced BMW 4 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 4 Series with the 2.0 diesel engine is typically advertised at £14,500: the median of the 112 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 22 October 2026 at £14,000. 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 4 November 2026: valid until 24 April 2027.

It has had 7 MOTs. The latest, on 31 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,340 miles, which matches the advertised 55,130 miles.

Advertised mileage is about 7,900 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

33 other 2018 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £10,000 to £17,498, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black. Mileage: 57,305 miles. Price: £14,995, £995 more than this car. Dealer: Select Cars Shute Cross in Axminster. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c79682529c6c
  • 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 57,490 miles. Price: £15,990, £1,990 more than this car. Dealer: Formula One Car Supermarket in Falkirk. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-1a029027c8f1
  • 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 58,687 miles. Price: £14,975, £975 more than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-a54a132dfbd6
  • The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black, 42 miles from this car. Mileage: 70,000 miles. Price: £14,490, £490 more than this car. Dealer: A & S Cars in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-17dbd49edabb

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

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Photos

17 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.