My Prius Prime matches up to the Model 3 pretty well at a Cd of 0.24 and mass of 1530 Kg; I presume similar frontal area in the two cars.Folks just did better than 6 miles per kwh in a models s. Definitely possible if you drive super slow under ideal conditions. This has nothing to do with daily driving of course
When I drive 42 miles to work in EV only I consume 5.6 kWh from the battery. This is aided by:
6000 ft elevation (about 80% of sea level air density)
A 400 meter net drop, worth about 1.5 kWh in potential energy
Speeds of 30 mph for 10 miles
55 mph for 8 miles
63 mph for 24 miles
So on a flat it would work out to 7.1 kWh for 42 miles or 5.9 miles a kWh, albeit with a Cd of 0.192 at sea level. Staying at 55 instead of 63 mph at sea level should ~ give 6 miles a kWh
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