Funky styling, a holographic display panel, and hybrid four-wheel drive (electric motors on the rear wheels) hide the Park Avenue mechanicals underneath, including the standard GM-issue 240hp supercharged 3800 V6 engine. And check out the rear hatch! The glass hinges up, and the tailgate opens by splitting in the middle and swinging to the side like 'bar doors'.
So is it a sedan/wagon, and sedan/pickup truck, a station wagon/SUV? Or just the station wagon of the future?