Bad weather mileage - 1.5mi/kWh

[WXman]

I have always said that the more efficient a truck is, the more sensitive it is to change. And boy you can really see it on these Lightnings. Losing half your range just because of a change of seasons? Ouch. I lose a hand calculated 75% of my range when I hook on my enclosed trailer. Ouch. Running unloaded in perfect weather these trucks are amazing. But ANY environmental or load change really hurts the efficiency in a serious way.

I've seen the same with diesel trucks. Might get low 20s on the highway without a trailer, but if you hook on a camper you're down to around 10 MPG. That's over 50% loss of range. Ouch.

I've had a lot of gasoline trucks in my lifetime that would get 14 MPG on a good day, but in the dead of winter they'd still get 13 and with a big load behind them they'd still get 11.

Funny how that works. The less efficient a truck is, the less sensitive to change it is. And the more efficient a truck is, the more sensitive to change it is.

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[Piquette]

If you really want to see your mi/kw drop, try driving a Lightning at -18 degrees Fahrenheit. Then try to charge at a DC fast charging station. The cables become very stiff and hard to plug into the charging port. I learned my lesson last winter. I’m not going out in sub zero weather unless I absolutely have to.

 

[jamelski]

Speed kills drive 55 if you want good miles to kw max 65 or you get what you get bruh. It’s an EV rookie

 

[camflan]

Speed kills drive 55 if you want good miles to kw max 65 or you get what you get bruh. It’s an EV rookie

 

[MidAtlanticLightningClub]

Just happened to us on Wednesday, our first ev road trip. Between Ames, IA and Albert Lea, MN we saw just over 1 mi/kwh for over an hour (kept bouncing between 1.0 and 1.1). Wind, cold, and I’m guessing a very slight grade (not noticeable but shows in ABRP). We had to make an emergency 10 minute stop at a 65kwh charger to make Albert Lea at 8% instead of the expected 28% when we left Ames. Kept decreasing speed too, 75 -> 70 after about 15 minutes then had to drop to 65 for 15 or so until our emergency pit stop

Those speeds make a big difference:

So does temperature:

Did you precondition before departure?

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