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: 76,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport is advertised with 76,000 miles, approximately 3,800 above the typical mileage for its age. The dealer is asking £13,000, which is £66 above the AskCar estimate of £12,934. 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 13 days. Its advertised mileage matches the government's MOT record. The seller is CSW Automotive, based in Stafford. 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

Fair price: £66 (under 1%) over the AskCar estimate of £12,934.

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 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £13,000. 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 30 December 2026.

It has had 6 MOTs. The latest, on 30 December 2025, passed.

Advisories at the latest test: rear tyre worn close to legal limit/worn on edge both; nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 70,431 miles, which matches the advertised 76,000 miles.

Advertised mileage is about 3,800 miles higher 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, silver. Mileage: 76,505 miles. Price: £12,600, £400 less than this car. Dealer: GB Autocare in Selby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-6f5f1570fc6f
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, silver. Mileage: 75,000 miles. Price: £13,995, £995 more than this car. Dealer: Cars of Conwy in Colwyn Bay. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-232e904d0910
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 74,100 miles. Price: £12,494, £506 less than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-bf31f90dacc6

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, silver, under a mile from this car. Mileage: 35,000 miles. Price: £17,500, £4,500 more than this car. Dealer: CSW Automotive in Stafford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-2ba9eb27f884