2018 BMW 3 Series 2.0 320d M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320d M Sport Auto 4WD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2018
• Mileage: 47,395 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 123 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 47,395 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 25,500 fewer miles than a typical 2018 BMW 3 Series. The AskCar estimate for this car is £16,063. It is priced at £16,495, which is £432 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. The dealer may accept less. This car has been on sale for at least 68 days. The government's MOT record matches its advertised mileage. It is advertised by Motorology in Prescot. 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: £432 (2%) over the AskCar estimate of £16,063.

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

The dealer may accept less. This 2018 BMW 3 Series has been on sale for at least 68 days. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 257 of the 506 first advertised between 10 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 26 August 2026 at £16,495. 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 2 November 2026: valid until 8 May 2027.

It has had 10 MOTs. The latest, on 26 August 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 47,424 miles, which matches the advertised 47,395 miles.

Advertised mileage is about 25,500 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, silver. Mileage: 46,194 miles. Price: £13,449, £3,046 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, blue. Mileage: 46,138 miles. Price: £14,500, £1,995 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: 49,000 miles. Price: £16,650, £155 more than this car. Dealer: Sytner Oldbury BMW in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-befd3d1143e5

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 10 miles from this car. Mileage: 62,338 miles. Price: £13,295, £3,200 less than this car. Dealer: Pentagon Warrington in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-658319228982