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: 84,033 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 84,033 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 11,400 more miles than a typical 2018 BMW 3 Series. The dealer is asking £12,450, which is £264 above the AskCar estimate of £12,186. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data 20 days ago. The government's MOT record matches its advertised mileage. It is for sale at Kent Vehicles in Herne BAY. 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: £264 (2%) over the AskCar estimate of £12,186.

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 20 days.

Price history

AskCar first saw this advert on 15 October 2026 at £12,450. 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 4 November 2026: valid until 29 September 2027.

It has had 6 MOTs. The latest, on 23 September 2026, passed.

Advisories at the latest test: offside front items removed from driver's view prior to test.

Mileage at that test: 83,260 miles, which matches the advertised 84,033 miles.

Advertised mileage is about 11,400 miles higher 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 £17,800, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 83,407 miles. Price: £11,500, £950 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-a87a5a6c200b
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 83,000 miles. Price: £12,495, the same price as this car. Dealer: Sandhaven Car Sales in Shotton Colliery. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-1e21d014dd4f
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, silver. Mileage: 86,000 miles. Price: £11,995, £455 less than this car. Dealer: KF Cars in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-45be1971cf04

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, black, 38 miles from this car. Mileage: 129,539 miles. Price: £8,495, £3,955 less than this car. Dealer: Rallysport Automotive in Colchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-603eed1c688f