2018 BMW 3 Series 2.0 320d M Sport

Price: £15,495. Fair price: £507 (3%) under the AskCar estimate of £16,002, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.

AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320d M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
  • Year: 2018
  • Mileage: 45,000 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 116 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport is advertised with 45,000 miles, approximately 27,200 below the typical mileage for its age. The AskCar estimate for this car is £16,002. It is priced at £15,495, which is £507 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 161 days. MOT records show an expiry date of 14 March 2027. The seller is Worthway Motor Company, based in Keighley. 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

Fair price: £507 (3%) under the AskCar estimate of £16,002.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW 3 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 292 for sale on AskCar, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2018 BMW 3 Series has been on sale for at least 161 days. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 273 of the 537 first advertised between 10 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £15,495. 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 5 November 2026: valid until 14 March 2027.

Advertised mileage is about 27,200 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

44 other 2018 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £6,990 to £17,500, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 46,138 miles. Price: £14,500, £995 less than this car. Dealer: 1Stop Car Sales in Spalding. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-5e19328225a7
  • 2018 BMW 3 Series M Sport, 2.0 diesel saloon, silver. Mileage: 46,194 miles. Price: £13,299, £2,196 less than this car. Dealer: Charles Hurst Usedirect Belfast 62 Boucher Road in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-72bdd1159d0e
  • 2018 BMW 3 Series M Sport, 2.0 diesel saloon, red. Mileage: 43,395 miles. Price: £15,450, the same price as this car. Dealer: North Oxford Bmw in Oxford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-078f7465734e
  • The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, white, 12 miles from this car. Mileage: 157,000 miles. Price: £6,990, £8,505 less than this car. Dealer: Budget Car Solutions in Cleckheaton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-12e829c07dab

Browse all BMW 3 Series cars for sale · 2018 BMW 3 Series price guide

More like this

Photos

25 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.