If you haven't taken delivery yet or plan on ordering you can still get the 6 months of FREE Supercharging only until December 10th all Model 3s now qualify! Call or email your Tesla delivery advisor and give them
I'm playing with the equation for aerodynamics for the S, X, and 3.
The "everything we know about M3" post has a reliable listing of the exterior dimensions. However the frontal cross sectional area is less than a simple length times height calculation.
I've seen a few rough guesstimates...