2018 BMW 3 Series 2.0 320d M Sport

Price: £12,390. Fair price: £95 (under 1%) over the AskCar estimate of £12,295, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,864 priced BMW 3 Series adverts on AskCar as of 10 November 2026.

AskCar lists 7,127 used BMW 3 Series from 2,713 UK dealerships, as of 10 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320d M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
  • Year: 2018
  • Mileage: 84,500 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 119 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport has covered 84,500 miles, around 12,500 more miles than is typical for its age. The AskCar estimate for this car is £12,295. It is priced at £12,390, which is £95 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,864 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. It is for sale at Carnet Midlands in Burntwood. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Carnet Midlands is rated 4.6 out of 5 on Google.

Price

Fair price: £95 (under 1%) over the AskCar estimate of £12,295.

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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.

A 2018 BMW 3 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 282 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2018 BMW 3 Series advertised today. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 292 of the 574 first advertised between 10 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £12,390. 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 10 November 2026: valid until 30 January 2027.

It has had 6 MOTs. The latest, on 29 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 73,176 miles, which matches the advertised 84,500 miles.

Advertised mileage is about 12,500 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

18 other 2018 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £7,799 to £16,590, as of 10 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 87,000 miles. Price: £12,790, £400 more than this car. Dealer: Auto Venue in Newport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-906e2d2157c6
  • 2018 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 90,000 miles. Price: £8,990, £3,400 less than this car. Dealer: JAD Motor in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-49a7953d5e27
  • 2018 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 78,819 miles. Price: £9,995, £2,395 less than this car. Dealer: Sigma Car Sales in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-adcc57085b8e

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

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Photos

1 photo of this car is on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.