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: 35,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 35,000 miles, this 2018 BMW 3 Series M Sport has covered about 37,600 fewer miles than other 2018 BMW 3 Series cars. Priced at £17,800, it is advertised £263 above the AskCar estimate of £17,537. The AskCar estimate draws on 6,862 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 42 days ago, and its asking price has since fallen by £200. Our records show an MOT expiry date of 12 October 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. It is advertised by CSW Automotive in Stafford. 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: £263 (1%) over the AskCar estimate of £17,537.

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 42 days.

Price history

AskCar first saw this advert on 23 September 2026 at £18,000. Its asking price is now £17,800, £200 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 23 September 2026: £18,000
• 14 October 2026: £17,500
• 23 October 2026: £17,800

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 12 October 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 13 October 2025, passed.

Advisories at the latest test: rear brake pad(s) wearing thin; rear brake disc worn, but not excessively; nearside front tyre worn close to legal limit/worn on edge; and 1 more.

Mileage at that test: 31,567 miles, which matches the advertised 35,000 miles.

Advertised mileage is about 37,600 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 £17,199, 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: 33,185 miles. Price: £17,199, £601 less than this car. Dealer: cinch in Lincoln. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-86bef619f62b
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 39,000 miles. Price: £15,795, £2,005 less than this car. Dealer: Love Motors in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-51814fc48cb9
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, red. Mileage: 43,395 miles. Price: £15,950, £1,850 less than this car. Dealer: North Oxford Bmw in Oxford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-078f7465734e

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, black, under a mile from this car. Mileage: 76,000 miles. Price: £13,000, £4,800 less than this car. Dealer: CSW Automotive in Stafford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-6d7d6f81bff8