2018 BMW 3 Series 1.5 318i Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: Sport
• Version: 1.5 318i Sport Auto RWD Euro 6 (s/s) 4dr (134 bhp)
• Year: 2018
• Mileage: 77,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 122 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 77,000 miles, this 2018 BMW 3 Series Sport has covered about 4,800 more miles than other 2018 BMW 3 Series cars. The dealer is asking £9,995, which is £686 above the AskCar estimate of £9,309. 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 19 days. Its advertised mileage matches the government's MOT record. The seller is Balham Car London, based in Balham. 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: £686 (7%) over the AskCar estimate of £9,309.

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 1.5 petrol engine is typically advertised at £10,000: the median of the 32 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 17 October 2026 at £9,995. 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 4 October 2027.

It has had 6 MOTs. The latest, on 5 October 2026, passed.

Advisories at the latest test: central rear oil leak, but not excessive.

Mileage at that test: 77,331 miles, which matches the advertised 77,000 miles.

Advertised mileage is about 4,800 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

12 other 2018 BMW 3 Series Sport 1.5 petrol automatic saloons are for sale at UK dealers, from £5,995 to £13,100, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series Sport, 1.5 petrol saloon, red. Mileage: 79,882 miles. Price: £6,000, £3,995 less than this car. Dealer: Oak View Car Sales in Cranbrook. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-c2163c65e01e
• 2018 BMW 3 Series Sport, 1.5 petrol saloon, grey. Mileage: 74,000 miles. Price: £9,400, £595 less than this car. Dealer: Quality Cars and Commercials in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-1d81bb629078
• 2018 BMW 3 Series Sport, 1.5 petrol saloon, white. Mileage: 80,700 miles. Price: £9,290, £705 less than this car. Dealer: Bell Lane Autos in London. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-4618699ebf0f