[VirginiaF1]

Famed endurance driver Derek Bell once drove 911 and 951S models on track at Willow Springs in succession:

"The 911 has more peak power (282 to 247) and slightly less curb weight (2976 versus 2998 ). At first, Derek thinks it is pulling better coming onto Willow's straight, but after another car swap, he realizes he has been misled. Around the long, climbing Turn Two (see sidebar), he has the 944 wide open and going much faster long before the straight. In the 911, you arrive at the apex exit and can then floor it. You open it up and it feels stronger. But the 944 is already on the power and on the boost. You're flat all the way through!
"Not surprisingly, it is also faster around the track. The 944 circulates Willow's 2.5-mile length in the 1:41 range, averaging 89.1 mph. The 911, its driver always working harder, flailing at the wheel and cursing colorfully, can only manage 1:43, for 87.4 mph. Section times through Willow's tightest portion, from the entrance of Turn Three to the exit of Turn Seven, show the 944 building almost a second's lead during the low-speed tossing.
It clocks 33.6 seconds to the 911's 34.5"