New arrival BMW 318d GT: It's supposed to combine the comfort and feel of a premium saloon with the practicality of a hatchback. We've got a year to find out if it does

摘要

IT'S ONLY BEEN with me a few days, but my new long-termer already has me scratching my head in bewilderment - and I don't mean the intricacies of the infotainment system. Here's my quandary: how can BMW's designers and engineers get the 3 Series GT so right when they got the 5 Series GT so wrong?