The Porsche Cayenne wears many hats. It masquerades as both the automaker’s entry-level vehicle and as its flagship turbocharged SUV. Broad-shouldered in stature, one variant can blast to 60 mph in less than five seconds and top 170 mph, while another may be propelled quietly under the emissions-free... 

We’re the lone vehicle in the far left lane of the Autobahn outside of Köln, Germany. The traffic has lightened, so we mash the accelerator to the floor. While we pull strongly up to about 200 km/h (about 125 mph), the speedometer counts much more slowly as it spins around the right side of the... 

We’re guessing that as you read this one of the Four Horsemen of the Apocalypse is on hold with a Porsche dealer trying to see how much he can get in trade for a 2011 Porsche 911 GT2 RS. With only 500 such models slated to be made, he probably won’t get much – and when he pleads, “But...