18" vs 20" OEM Wheels for Battery Range

[Quantum]

You had me until elevation changes.

Yes - quite flat in that greater area - however I notice my 2.5 drop or rise even over 100' change.

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[tls]

1.8-2.0 miles per kWh @80mph? I simply cannot believe it.

I try to keep it under 80 but those are the kind of numbers I see cruising at 78-79. More on the low side of that, but I don't know that I've ever seen a dip down below 1.7 except in the absolute deepest winter - which is pretty deep around here.

 

[tls]

Also last night did the return leg of one of my trips, 30 degrees, charged to 85%. I averaged 1.4m/kwh until I finally slowed down and drafted a semi, at which point I was able to get 1.8m/kwh at 69mph drafting for about 40 miles.

I made it home with 4% SOC. Averaged 1.5m/kwh on the total trip.

That's too precarious. Not being able to do one way of my trip without charging along the way is absolutely a non-starter.

Not sure what to say - 1.4 is the kind of number I see in 10F weather with my 18" winter wheels and snows mounted, blasting along on the highway in the high 70s late for a race. I have some trouble believing the AT tires make _that_ much of a difference...

 

[simbaesq]

Not sure what to say - 1.4 is the kind of number I see in 10F weather with my 18" winter wheels and snows mounted, blasting along on the highway in the high 70s late for a race. I have some trouble believing the AT tires make _that_ much of a difference...

What tires and wheels do you have?

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