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 4dr (07/15-) Step (187 bhp)
• Year: 2018
• Mileage: 54,931 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 54,931 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 17,700 fewer miles than a typical 2018 BMW 3 Series. The dealer is asking £13,999, which is £115 below the AskCar estimate of £14,114. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data today. Its advertised mileage matches the government's MOT record. The seller is Lookers BMW Crewe, based in Crewe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £115 (under 1%) under the AskCar estimate of £14,114.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 3 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 286 for sale on AskCar, as of 4 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: 269 of the 532 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £13,999. 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 4 November 2026: valid until 12 March 2027.

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

There were no advisories at the latest test.

Mileage at that test: 51,288 miles, which matches the advertised 54,931 miles.

Advertised mileage is about 17,700 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 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 51,916 miles. Price: £15,490, £1,491 more than this car. Dealer: Warsop Motor Company in Market Warsop. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-301257779c8f
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 58,000 miles. Price: £14,450, £451 more than this car. Dealer: Windmill Autos in Sandy. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-dcb2d8224b97
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 58,000 miles. Price: £15,295, £1,296 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-9fac3b5d7a1e

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 20 miles from this car. Mileage: 65,412 miles. Price: £15,499, £1,500 more than this car. Dealer: Halliwell Jones Wilmslow BMW in Wilmslow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-69207d78f659