Bjorn Nyland recently tested stock alloys v aero covers on model Y, and estimated between 2 and 4% difference in efficiency.
Various previous tests on Model 3 show differences within that range, so whilst not a well researched and scientific assessment, I would expect a similar difference.
Various previous tests on Model 3 show differences within that range, so whilst not a well researched and scientific assessment, I would expect a similar difference.
