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Discussion Starter #1
2013 with about 60K. Had been getting very consistent 41-43 miles indicated after full charge, then abruptly saw 53 miles. Only difference was I charged it the next day instead of right away.

Not complaining but no idea why.
 

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I'm guessing since you joined in Aug 2016, you bought this used, went through a winter, and now you stumbled onto an ideal day where the planets aligned and you've been driving more efficiently without AC with ideal weather for longer range. Consider yourself lucky, I'm lucky to get 34 miles of range, but this was all self-induced - I added great looking 18" rims that are heavier, and I've stopped trying to hypermile.... it's much more fun to pretend to be a race car driver in the Volt.
 

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I've seen several trips of 50-51 miles in my 2012 on some cool summer days (70-75) in Seattle. They generally happened while driving on congested freeways that kept my speed down to 50 MPH or below but not stop and go. Down in the heat of Houston (90+), I am lucky to get over 35 miles on electric.
 

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I have only gotten over 40 miles in 2013 (~45k miles) 3 or 4 times, and that was this spring with ~70 degree weather and no AC used.

With AC I barely get 33-35 on a normal hectic day, or 36-37 if I keep it at 60 and under.
 

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Warm (not too hot) weather is a beautiful thing for EV range!
 

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Discussion Starter #7
Update: First full charge since original post - now showing 60 miles! Is this a good thing or a bad sign for the battery?

Prior to this it was consistently 40-43 miles in summer and 35-39 in winter.
 

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Update: First full charge since original post - now showing 60 miles! Is this a good thing or a bad sign for the battery?
All good. That number is an estimate, not a meter reading. The estimate is based on a rolling average of your previous trips which in turn is influenced by the five T's. Now if I could just remember what the 5 T's are... :)

Tires, Temp, Terrain, Tdriver, Tsnow I think, lol
 

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My average gen1 (2014, 22k miles) range is right about 50. Some charges I can squeak out to 52 miles. My driving is very predictable, usually the same three routes to the same places.

Maybe you went on a route that was more conducive to EV driving.
 

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I dunno, 60 miles of range seems amazing for a G1. So some additional information might be useful. Is there any highway driving during your commute? Has your commute changed? Are you driving any differently? If you were to drain the battery during a longer trip, are you getting 60 miles of EV range or is your KW used above 10.3-10.6?

I'm beginning to suspect you've unlocked the Komami code and are charging the battery all the way up and draining it all the way down to achieve 60 miles of EV range. See http://gm-volt.com/forum/showthread.php?234097-Voltamorting-A-Technique-of-traveling-with-battery-restrictions-off&highlight=voltamorting
 

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Discussion Starter #11
Hmm, I didn't enter that code deliberately and it seems unlikely to happen accidentally.

I do a lot of long distance driving and am fairly religious about putting it in electric mode on downhills for regen, even when it is just coasting and showing close to zero kw used.
 

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Hmm, I didn't enter that code deliberately and it seems unlikely to happen accidentally.

I do a lot of long distance driving and am fairly religious about putting it in electric mode on downhills for regen, even when it is just coasting and showing close to zero kw used.
Especially since Voltamorting was an April fools joke.

I used to hypermile, but gave that up nearly 2 years ago. The volt is a lot more fun to drive it like I stole it. I think I'm losing 20 MPG doing that, but it translates from 90 MPG down to 70 MPG - still better than a Prius.
 

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It may have no correlation to your situation, but my 2013 started showing increasingly higher range all the way to 60 and it turned out that the batteries needed to be balanced. I was also seeing 5-7 miles of range loss while parked, so my situation might be completely different. I have had some quirky stuff happen to mine before 2 battery sections failed, so keep an eye on things that are out of the ordinary, I found those to lead to issues. I am now having similar symptoms to those that preceded my 2nd battery section failure, so I rolled into the dealer today at 99,985 miles, here we go AGAIN.
 
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