Ruf designed its own engine, an air-cooled twin-turbo 3.6-liter flat-six making 543 hp, for its ultimate 911 throwback.

Adrien Brody visited Porsche and got a glimpse of a car that never was. What would it have been like if the car in the sketches from 1999 had been produced?

But, lately, we've seen 997s with low mileage selling for less than you'd spend on a Ford Mustang Dark Horse, meaning that ...