Concept cars come in multiple flavors. There are those that claim to be testing the water but are in fact developed after the production car, and then there are true design studies, outlandish ...

Mercedes-Maybach is betting on lifestyle. Its vehicles -- posh, regal and extravagant -- inhabit the same realm as Bentley and Rolls-Royce. Drive one on Germany's Autobahn, and you'd be astonished at ...