AWD ER Winter Efficiency Quick Test. 28F, 72 MPH, 203 miles of Range.

[Mach-Lee]

Yes old, but someone else just reported 204 miles under similar conditions so I think it’s pretty accurate. Battery size does not change due to weather. It’s 88 kWh all the time it’s full. It may have different “depletion rates” based on Ambient temps, but that’s what the car tries to do with preconditioning and battery temperature controls as you drive in colder weather. Hopefully the system keeps that’s battery at a balmy 70 all the time. I really have no idea what it Maintains it at, but it should be some set point that helps make the battery happy.

Battery is really only maintained above freezing, not 70°F, so there is some capacity loss due to it being colder than the optimal 25°C. This capacity will be returned once the battery is warm again, but near 0°C it’s less. You may also have lost a couple percent due to normal degradation. Winter temps cause both increased consumption and reduced capacity so both effects should be considered for range estimation.

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