Beattie
Well-Known Member
- First Name
- Martin
- Joined
- Jul 6, 2023
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- 59
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- 32
- Location
- Harrogate
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- Tesla
I should have made it clear, it’s the ST I was referring to with Spyder RS wheels which aren’t the most efficient wheels.The GTS Sedan shows as 389 miles in the configurator overview and the Cayenne Turbo as 379 miles. The ST has 372 miles.
The drag coefficient is a coefficient, you still have to multiply that by the frontal area.
You could have a truck with low c/d, does not change that it's massive.
The Taycan ST c/d is 0.25 and frontal area is 2.33 m2.
The Cayenne Turbo c/d is also 0.25, but the frontal area is surely going to be much higher.
The Macan electric is 2.69 m2 and it's a much smaller car.
Expect a minimum of 2.8m2 for the Cayenne Turbo, so it's going to have at least 20% more drag than the Taycan ST.
That's why the range is going to be significantly worse on motorway.
I’m out of my depth with regards to drag science. Just thought if the numbers are the same then efficiency might be similar dependant on wheels/tyre sizes. I guess real world tests will reveal what it’s like. It will be difficult to make exact predictions on a car that isn’t properly on the road yet.
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