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: 43,395 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport has covered 43,395 miles, around 29,200 fewer miles than is typical for its age. The dealer is asking £15,950, which is £245 below the AskCar estimate of £16,195. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 25 days ago. Its asking price has since fallen by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is North Oxford Bmw, based in Oxford. 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: £245 (1%) under the AskCar estimate of £16,195.

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

This 2018 BMW 3 Series has been on sale for at least 25 days.

Price history

AskCar first saw this advert on 10 October 2026 at £16,250. Its asking price is now £15,950, £300 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 10 October 2026: £16,250
• 24 October 2026: £15,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 25 July 2027.

It has had 6 MOTs. The latest, on 21 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,433 miles, which matches the advertised 43,395 miles.

Advertised mileage is about 29,200 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, silver. Mileage: 45,000 miles. Price: £15,495, £455 less than this car. Dealer: Worthway Motor Company in Keighley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-6c6b6bd921a2
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 46,138 miles. Price: £14,500, £1,450 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: 46,194 miles. Price: £13,299, £2,651 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

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, red, 32 miles from this car. Mileage: 141,000 miles. Price: £7,990, £7,960 less than this car. Dealer: Online Vehicle Solutions in Chalfont St Giles. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-1653698e98aa