AFAIK the prices announced so far are only for the special editions. Actual pricing will be a bit lower.
That said, the P90D is faster at 0-60 (with Ludicrous mode) than the Cayenne Turbo S. So there is that.
That said, the P90D is faster at 0-60 (with Ludicrous mode) than the Cayenne Turbo S. So there is that.
When do you go faster than 100 mph?
Yes, a rolling start is a big help on highway ramps. Doesn't help much at stop signs and lights.
By and large it is more efficient to accelerate at full power, assuming your goal is to reach a certain top speed regardless, so if you were _really_ concerned about conserving petrol then you should be going full blast off the line. That said I expect the fuel usage such a situation to be negligible anyway, especially to someone who can afford/justify a car that does it in 4 seconds.
My car isn't that fast, or particularly economical, but I know I've never thought "I'd love to accelerate at full power here to show how fast my car is, but I just can't justify the pennies it will cost me"! Outside of hyper-milers I wonder how many people do actually think about it.