2018 BMW 3 Series 1.5 318i SE

Overview

• Make: BMW
• Model: 3 Series
• Trim: SE
• Version: 1.5 318i SE Auto RWD Euro 6 (s/s) 4dr (134 bhp)
• Year: 2018
• Mileage: 40,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 122 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series is advertised with 40,000 miles, approximately 32,200 below the typical mileage for its age. Priced at £12,500, it is advertised £58 above the AskCar estimate of £12,442. The AskCar estimate draws on 6,902 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 17 days ago. The government's MOT record matches its advertised mileage. You can find this car at London Car Market in Hounslow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £58 (under 1%) over the AskCar estimate of £12,442.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2018 BMW 3 Series with the 1.5 petrol engine is typically advertised at £10,000: the median of the 35 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 17 days.

Price history

AskCar first saw this advert on 20 October 2026 at £12,500. 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 6 November 2026: valid until 6 August 2027.

It has had 6 MOTs. The latest, on 4 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,454 miles, which matches the advertised 40,000 miles.

Advertised mileage is about 32,200 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

1 other 2018 BMW 3 Series SE 1.5 petrol automatic saloon is for sale at UK dealers, as of 6 November 2026.

The closest to this car in mileage:

• 2018 BMW 3 Series SE, 1.5 petrol saloon, silver. Mileage: 20,943 miles. Price: £13,250, £750 more than this car. Dealer: T Wall Approved in Kingswinford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-41722986321a