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GMC Sierra, Bolt, Sky, Mach E
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I saw this article that claims .5 for Hummer, .44 for Lightning and .3 for Rivian, but then there are some tests showing Lightning did better at 70mph than Rivian. Rivian range tests do seem to be all over the place and not consistent, likely due to tires.


 

· Registered
GMC Sierra, Bolt, Sky, Mach E
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911 Posts
The bottom half of any EV will always have less drag than an equivalent ICE. The flat bottom with the battery has less cavities for vortex and turbulence, especially body on frame with a driveshaft.. But you cannot avoid the wheel wells and tires causing drag.
 
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