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: 36,147 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 Sport has covered 36,147 miles, around 36,300 fewer miles than is typical for its age. The AskCar estimate for this car is £12,680. It is priced at £13,350, which is £670 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,906 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Williams Bmw Stockport, based in Stockport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £670 (5%) over the AskCar estimate of £12,680.

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 6,906 priced BMW 3 Series adverts across different ages and specifications, as of 12 November 2026.

A 2018 BMW 3 Series with the 1.5 petrol engine is typically advertised at £10,000: the median of the 37 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2018 BMW 3 Series advertised today. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 291 of the 581 first advertised between 12 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £13,350. 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 12 November 2026: valid until 2 September 2027.

It has had 7 MOTs. The latest, on 28 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,971 miles, which matches the advertised 36,147 miles.

Advertised mileage is about 36,300 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 £6,000 to £13,100, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series Sport, 1.5 petrol saloon, grey. Mileage: 42,360 miles. Price: £13,100, £250 less 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: 51,870 miles. Price: £11,495, £1,855 less than this car. Dealer: The Car Centre in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-d9407682089a
• 2018 BMW 3 Series Sport, 1.5 petrol saloon, black. Mileage: 60,000 miles. Price: £10,695, £2,655 less than this car. Dealer: Car 4 U (LDN) in Harlesden. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-02a19c23ac4c