The BMW 3 SERIES SALOON (2015-18) 318D 4DR SALOON 2.0 DPF SS 150 EU6 M SPORT 6SPD is a premium four-door saloon in the UK’s executive-car class. M Sport styling adds a sporty edge, while its diesel engine and six-speed manual make it a refined alternative to a family hatchback. Checks on mycarcheck.com recorded 540 look-ups covering 205 different VINs, a useful sample of cars reviewed. Their average private-sale valuation was £10,500, with 81,000 miles recorded and about 10,000 miles driven annually; cars had an average of nearly two previous keepers. These figures describe checked examples, not every car available. It suits commuters and small families wanting comfortable travel, rear doors and a premium cabin, and is often chosen for daily motorway journeys. Compared with Audi A4 and Mercedes-Benz C-Class rivals, the 3 Series is known for engaging handling. Check service history and condition, especially on a used diesel model.