2018 BMW 3 Series 2.0 320d M Sport Shadow Edition

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport Shadow Edition
• Version: 2.0 320d M Sport Shadow Edition Auto RWD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2018
• Mileage: 57,622 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport Shadow Edition has covered 57,622 miles, around 15,300 fewer miles than is typical for its age. The AskCar estimate for this car is £16,117. It is priced at £15,250, which is £867 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 73 days, and its asking price is down £740. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is County Specialist Vehicles, based in Taunton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £867 (5%) under the AskCar estimate of £16,117.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW 3 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 284 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2018 BMW 3 Series has been on sale for at least 73 days, and its asking price has been cut by £740. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 257 of the 506 first advertised between 10 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 21 August 2026 at £15,990. Its asking price is now £15,250, £740 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 21 August 2026: £15,990
• 11 September 2026: £15,750
• 11 October 2026: £15,490
• 28 October 2026: £15,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 6 November 2026.

It has had 5 MOTs. The latest, on 7 November 2025, passed.

Advisories at the latest test: nearside rear brake pad(s) wearing thin; offside rear brake pad(s) wearing thin.

Mileage at that test: 47,618 miles, which matches the advertised 57,622 miles.

Advertised mileage is about 15,300 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

44 other 2018 BMW 3 Series M Sport Shadow Edition 2.0 diesel automatic saloons are for sale at UK dealers, from £7,995 to £20,795, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 diesel saloon, blue. Mileage: 58,000 miles. Price: £15,249, the same price as this car. Dealer: Prestige Motoring Group in Tipton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-f6dee84bcf29
• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 diesel saloon, black. Mileage: 58,000 miles. Price: £15,990, £740 more than this car. Dealer: Cars of Essex in Waltham Abbey. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-b5701fe4f1ba
• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 diesel saloon, black. Mileage: 55,959 miles. Price: £15,895, £645 more than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-2b145536f7ae

• The nearest: 2018 BMW 3 Series M Sport Shadow Edition, 2.0 diesel saloon, blue, 45 miles from this car. Mileage: 47,000 miles. Price: £16,995, £1,745 more than this car. Dealer: Townhall Garage in Torquay. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-a760637e0a8e