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 RWD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2018
• Mileage: 65,412 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 65,412 miles, this 2018 BMW 3 Series M Sport has covered about 6,800 fewer miles than other 2018 BMW 3 Series cars. The dealer is asking £15,499, which is £1,464 above the AskCar estimate of £14,035. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We have tracked this advert for 7 days. Its advertised mileage matches the government's MOT record. The seller is Halliwell Jones Wilmslow BMW, based in Wilmslow. 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: £1,464 (10%) over the AskCar estimate of £14,035.

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 7 days.

Price history

AskCar first saw this advert on 29 October 2026 at £15,499. 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 21 December 2026.

It failed its MOT on 9 December 2025 (windscreen washer not working) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 56,080 miles, which matches the advertised 65,412 miles.

Advertised mileage is about 6,800 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, black. Mileage: 68,195 miles. Price: £13,999, £1,500 less than this car. Dealer: Empressive Motor Company in Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-3d9f3c487946
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 62,338 miles. Price: £13,295, £2,204 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, blue. Mileage: 62,286 miles. Price: £14,990, £509 less than this car. Dealer: Mervyn Stewart Ltd (North Down) in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-e57ed0460b7f

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, black, 13 miles from this car. Mileage: 74,100 miles. Price: £12,494, £3,005 less than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-bf31f90dacc6