The 2011 Porsche 911 Carrera Speedster features a 2.36” (60 millimeter) lower, more raked windscreen and the characteristic speedster double-bubble hardcover for the manual soft top. Helping to define the striking profile of the new 2011 911 Carrera Speedster, the 1.73” (44 millimeter) wide-body from the AWD 911 models makes the rear-wheel-drive only Speedster stand