That you’re sometimes better off on all fours is a question of physics. Extreme climber Thomas Bubendorfer and 911 series head August Achleitner talk about traction, technology, and grip. And about the all-wheel drive in the new Carrera 4

Even better performance thanks to intelligent four-wheel drive

New brand presence at Autostadt Wolfsburg

Special images—Porsche posters from the 1950s and 1960s

The Sport Chrono Package for the 911 and the Boxster includes a g-force display, which shows acceleration forces in graphic form

Three 911s, one spoiler: The RS 2.7, 911 Sport Classic, and 911 Carrera S SportDesign