Here is a post I put up awhile back: Unscientific roof rack efficiency test (Model 3)
Since then I have done some drives with a bad headwind and bikes on top - I was using over 400kW average luckily had a good selection of superchargers on that route.
Since then I have done some drives with a bad headwind and bikes on top - I was using over 400kW average luckily had a good selection of superchargers on that route.