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) 5dr Touring (134 bhp)
• Year: 2018
• Mileage: 83,673 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 83,673 miles, this 2018 BMW 3 Series Sport has covered about 11,500 more miles than other 2018 BMW 3 Series cars. Priced at £9,495, it is advertised £130 below the AskCar estimate of £9,625. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 41 days ago, the asking price has dropped by £400. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by CM Motor Group in Strathaven. 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: £130 (1%) under the AskCar estimate of £9,625.

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 41 days.

Price history

AskCar first saw this advert on 25 September 2026 at £9,895. Its asking price is now £9,495, £400 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 25 September 2026: £9,895
• 9 October 2026: £9,695
• 28 October 2026: £9,495

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 August 2027.

It failed its MOT on 29 July 2026 (offside front shock absorbers has negligible damping effect; nearside front lower headlamp levelling device inoperative cable tied insecurely; headlamp aim unable to be tested due to headlamp level sensor insecure) and passed 7 days later, on 5 August 2026.

Advisories at the latest test: nearside rear inner brake disc worn, pitted or scored, but not seriously weakened; offside rear inner brake disc worn, pitted or scored, but not seriously weakened; rear brake pad(s) wearing thin.

Mileage at that test: 83,254 miles, which matches the advertised 83,673 miles.

Advertised mileage is about 11,500 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

5 other 2018 BMW 3 Series Sport 1.5 petrol automatic estates are for sale at UK dealers, from £9,995 to £12,532, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series Sport, 1.5 petrol estate, black. Mileage: 75,400 miles. Price: £11,000, £1,505 more than this car. Dealer: nucar in Basildon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-72baf2555990
• 2018 BMW 3 Series Sport, 1.5 petrol estate, blue. Mileage: 75,010 miles. Price: £11,099, £1,604 more than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-b17ffc31c6c6
• 2018 BMW 3 Series Sport, 1.5 petrol estate, black. Mileage: 72,190 miles. Price: £9,995, £500 more than this car. Dealer: Performance HQ in Harlow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-44e6c0b1acfb

• The nearest: 2018 BMW 3 Series Sport, 1.5 petrol estate, red, 135 miles from this car. Mileage: 110,000 miles. Price: £9,995, £500 more than this car. Dealer: J.K. Car Sales in Dungannon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-84df5cc265e5