2018 BMW 3 Series 2.0 M Sport

Price: £14,990. Above the going rate: £1,397 (10%) over the AskCar estimate of £13,593, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,742 priced BMW 3 Series adverts on AskCar as of 2 November 2026.

AskCar lists 7,040 used BMW 3 Series from 2,692 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 M Sport Auto
  • Year: 2018
  • Mileage: 62,286 miles
  • Fuel: Diesel
  • Body: Saloon
  • Engine: 2.0 litres
  • Gearbox: Automatic
  • Colour: Blue
  • CO2: 124 g/km

About this car

This 2018 BMW 3 Series M Sport has covered 62,286 miles, around 10,600 fewer miles than is typical for its age. Its asking price of £14,990 is £1,397 above the AskCar estimate of £13,593. The AskCar estimate uses 6,742 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 23 days ago. The government's MOT record matches its advertised mileage. It is for sale at Mervyn Stewart Ltd (North Down) in Belfast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,397 (10%) over the AskCar estimate of £13,593.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW 3 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 284 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 10 October 2026 at £14,990. 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 2 November 2026: valid until 4 May 2027.

It has had 6 MOTs. The latest, on 27 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 61,192 miles, which matches the advertised 62,286 miles.

Advertised mileage is about 10,600 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

43 other 2018 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £6,990 to £17,800, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 62,338 miles. Price: £13,295, £1,695 less than this car. Dealer: Pentagon Warrington in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-658319228982
  • 2018 BMW 3 Series M Sport, 2.0 diesel saloon, silver. Mileage: 59,661 miles. Price: £13,989, £1,001 less than this car. Dealer: Autobarn Motor Company in Burnley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-58090360a894
  • 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 65,412 miles. Price: £15,499, £509 more than this car. Dealer: Halliwell Jones Wilmslow BMW in Wilmslow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-69207d78f659
  • The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, silver, under a mile from this car. Mileage: 46,194 miles. Price: £13,449, £1,541 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

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

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Photos

45 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.