With Its New 911, Porsche Improves the Unimprovable—Again

As he tosses the car into a sweeping left-hand turn, Mark Webber expresses sympathy for the folks who made this lap possible. “I feel terrible for future Porsche engineers,” he says, flitting 450 horsepower over the red and white curbs of Spain’s Circuit Ricardo Tormo, on the way to a track time fitting his status …