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) 5dr Touring (187 bhp)
• Year: 2018
• Mileage: 93,336 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 93,336 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 20,500 more miles than a typical 2018 BMW 3 Series. Priced at £12,450, it is advertised £310 above the AskCar estimate of £12,140. 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 158 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at LuxCarz in St. Helens. 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: £310 (2%) over the AskCar estimate of £12,140.

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 158 days. 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 28 May 2026 at £12,450. Its asking price has not changed.

Mileage and MOT

It has had 7 MOTs. The latest, on 23 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 93,317 miles, which matches the advertised 93,336 miles.

Advertised mileage is about 20,500 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

16 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 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 90,000 miles. Price: £8,990, £3,460 less than this car. Dealer: JAD Motor in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-49a7953d5e27
• 2018 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 99,000 miles. Price: £10,961, £1,489 less than this car. Dealer: Manchester Performance Cars in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-e8a640fc214b
• 2018 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 87,000 miles. Price: £12,790, £340 more than this car. Dealer: Auto Venue in Newport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-906e2d2157c6