2018 BMW 3 Series 2.0 320d M Sport

Price: £12,790. Fair price: £691 (5%) over the AskCar estimate of £12,099, 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 320d M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
  • Year: 2018
  • Mileage: 87,000 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 is advertised with 87,000 miles, approximately 14,100 above the typical mileage for its age. The AskCar estimate for this car is £12,099. It is priced at £12,790, which is £691 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 25 days ago. The government's MOT record matches its advertised mileage. You can find this car at Auto Venue in Newport. 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

Fair price: £691 (5%) over the AskCar estimate of £12,099.

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 25 days.

Price history

AskCar first saw this advert on 8 October 2026 at £12,790. 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 28 June 2027.

It has had 6 MOTs. The latest, on 4 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 85,332 miles, which matches the advertised 87,000 miles.

Advertised mileage is about 14,100 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

16 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 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 90,000 miles. Price: £8,990, £3,800 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, blue. Mileage: 93,336 miles. Price: £12,450, £340 less than this car. Dealer: LuxCarz in St Helens. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-ff597515ef8a
  • 2018 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 77,989 miles. Price: £12,990, £200 more than this car. Dealer: Ebony & Ivory Motors in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-031704a56207
  • The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel estate, white, 5 miles from this car. Mileage: 42,000 miles. Price: £16,590, £3,800 more than this car. Dealer: Britannia Motor Co in Newport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-85e12a400a0d

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

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Photos

29 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.