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) 5dr Touring (187 bhp)
• Year: 2018
• Mileage: 67,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 119 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport has covered 67,000 miles, around 5,000 fewer miles than is typical for its age. The AskCar estimate for this car is £14,072. It is priced at £12,990, which is £1,082 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,864 BMW 3 Series cars across different ages and specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. It is advertised by KCS of Surrey in Addlestone. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,082 (7%) under the AskCar estimate of £14,072.

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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.

A 2018 BMW 3 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 282 for sale on AskCar, as of 10 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: 292 of the 574 first advertised between 10 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £12,990. 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 10 November 2026: valid until 27 October 2027.

It has had 8 MOTs. The latest, on 28 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 67,377 miles, which matches the advertised 67,000 miles.

Advertised mileage is about 5,000 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

18 other 2018 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £7,799 to £16,590, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 69,750 miles. Price: £14,995, £2,005 more than this car. Dealer: Mount Vernon Motors in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-87e225c6c554
• 2018 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 71,459 miles. Price: £14,495, £1,505 more than this car. Dealer: German Motor Store in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-ea8f48a3735f
• 2018 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 76,247 miles. Price: £13,995, £1,005 more than this car. Dealer: Botley Car Centre in Southampton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-349671104394