2018 BMW 3 Series 1.5 318i Sport

Price: £12,599. Fair price: £387 (2%) under the AskCar estimate of £12,986, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.

AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: Sport
  • Version: 1.5 318i Sport Auto RWD Euro 6 4dr (07/15-) Step (134 bhp)
  • Year: 2018
  • Mileage: 37,301 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.5 litres, 134 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series Sport is advertised with 37,301 miles, approximately 34,900 below the typical mileage for its age. The AskCar estimate for this car is £12,986. It is priced at £12,599, which is £387 below that estimate. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 7 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at cinch Corby in North Northamptonshire. 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: £387 (2%) under the AskCar estimate of £12,986.

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 7 days.

Price history

AskCar first saw this advert on 29 October 2026 at £12,499. Its asking price is now £12,599, £100 more.

Price changes recorded:

  • 29 October 2026: £12,499
  • 31 October 2026: £12,599

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 22 October 2027.

It failed its MOT on 20 October 2026 (nearside front lower suspension arm ball joint excessively worn rear) and passed 3 days later, on 23 October 2026.

There were no advisories at the latest test.

Mileage at that test: 37,300 miles, which matches the advertised 37,301 miles.

Advertised mileage is about 34,900 miles lower 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, black. Mileage: 35,094 miles. Price: £12,490, £109 less than this car. Dealer: Group 1 Assured Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-f3a05d9deb9f
  • 2018 BMW 3 Series Sport, 1.5 petrol saloon, grey. Mileage: 42,360 miles. Price: £13,100, £501 more than this car. Dealer: Carvender Ltd - London in Theydon Garnon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-66225fb819ea
  • 2018 BMW 3 Series Sport, 1.5 petrol saloon, black. Mileage: 60,057 miles. Price: £10,815, £1,784 less than this car. Dealer: JCT600 Approved South Leeds in Batley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-fda1d0b5b5fe
  • The nearest: 2018 BMW 3 Series Sport, 1.5 petrol saloon, white, under a mile from this car. Mileage: 84,019 miles. Price: £9,999, £2,600 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-2479a0916ff5

Browse all BMW 3 Series cars for sale · 2018 BMW 3 Series price guide

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Photos

27 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.