2018 BMW 3 Series 2.0 318d M Sport

Price: £13,999. Above the going rate: £1,167 (9%) over the AskCar estimate of £12,832, 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 318d M Sport Auto RWD Euro 6 (s/s) 4dr (148 bhp)
  • Year: 2018
  • Mileage: 68,195 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 148 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 116 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 68,195 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 4,000 fewer miles than a typical 2018 BMW 3 Series. The AskCar estimate for this car is £12,832. It is priced at £13,999, which is £1,167 above 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. This car was first seen in our listings data 16 days ago. The government's MOT record matches its advertised mileage. You can find this car at Empressive Motor Company in Merthyr Tydfil. 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

Above the going rate: £1,167 (9%) over the AskCar estimate of £12,832.

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

This 2018 BMW 3 Series has been on sale for at least 16 days.

Price history

AskCar first saw this advert on 20 October 2026 at £13,999. 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 6 November 2026.

It has had 7 MOTs. The latest, on 30 October 2025, passed.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing; offside front tyre slightly damaged/cracking or perishing; offside rear brake pad(s) wearing thin.

Mileage at that test: 64,594 miles, which matches the advertised 68,195 miles.

Advertised mileage is about 4,000 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, white. Mileage: 69,000 miles. Price: £13,890, £109 less than this car. Dealer: Www.Countrycarsales.Co.Uk in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-a592e343607e
  • 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 65,412 miles. Price: £15,499, £1,500 more than this car. Dealer: Halliwell Jones Wilmslow BMW in Wilmslow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-69207d78f659
  • 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 72,000 miles. Price: £12,490, £1,509 less than this car. Dealer: Bedford Car Centres in Bedford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-cb38ee2b184e
  • The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, black, 20 miles from this car. Mileage: 82,000 miles. Price: £11,990, £2,009 less than this car. Dealer: Auto Venue in Newport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-08c79dcd8f53

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

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Photos

13 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.