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: 51,234 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 51,234 miles, this 2018 BMW 3 Series M Sport has covered about 21,400 fewer miles than other 2018 BMW 3 Series cars. Its asking price of £16,490 is £571 above the AskCar estimate of £15,919. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 66 days, and its asking price is down £500. Its advertised mileage matches the government's MOT record. You can find this car at Brownroyd Motors in Heywood. 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: £571 (3%) over the AskCar estimate of £15,919.

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

The dealer may accept less. This 2018 BMW 3 Series has been on sale for at least 66 days, and its asking price has been cut by £500. 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 30 August 2026 at £16,990. Its asking price is now £16,490, £500 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 30 August 2026: £16,990
• 24 October 2026: £16,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 6 January 2027.

It has had 7 MOTs. The latest, on 23 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 44,158 miles, which matches the advertised 51,234 miles.

Advertised mileage is about 21,400 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, £1,000 less 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, silver. Mileage: 49,000 miles. Price: £16,650, £160 more than this car. Dealer: Sytner Oldbury BMW in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-befd3d1143e5
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 54,931 miles. Price: £13,999, £2,491 less than this car. Dealer: Lookers BMW Crewe in Crewe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-084e98a870c9

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, black, 6 miles from this car. Mileage: 74,100 miles. Price: £12,994, £3,496 less than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-bf31f90dacc6