2004 Porsche Carrera GT


Downforce:
343 lbs. @ 150 mph, with 459 lbs. drag
493 lbs. @ 180 mph, with 660 lbs. drag
640 lbs. @ 205 mph, with 857 lbs. drag

Aero. Balance @ 205 mph:
F: 192 lbs.
R: 448 lbs.

Lift-to-drag ratio: .75:1
Coefficient of drag: .39 (factory claim)
Downforce @ 205 mph: 640 lbs. (factory claim)
Reference area: 1.9 meters square
Calculated maximum speed: 213.4 mph (assumed 12% drive train and rolling resistance power loss)

Reference: Road & Track Magazine, figures extrapolated from factory claims quoted in article


ęCopyright 2004, Michael J. Fuller