HIGHS Rip-roaring plug-in-hybrid V-8 powertrain, sticks to the road like flypaper, just as practical as the taller X5 M. LOWS Schooner-like curb weight, drive mode overload, steering lacks feel.

For the past few decades we've seen myriad concept cars pitched as fancy autonomous lounges, with furniture-like seats and wild infotainment screens for commuters of the future to be able to work or ...