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I tell everyone to avoid the Leaf, especially in my area where it is 100 degrees most of the summer. Research shows that passive cooled batteries have higher degradation by about two times. My two EVs have 166,000 combined miles on them and degradation is about 5% on each car. Just stay away from the Nissan Leaf and batteries will last 300,000 miles.
 

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The small size if the battery is probably part of the reason. A battery a third of the size will degrade three times faster because of charge cycles.
That's a good theory. What is missing is the Chevy Spark. It has similar range to the i3, so it would be a good comparison.
 

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That's a good theory. What is missing is the Chevy Spark. It has similar range to the i3, so it would be a good comparison.
It is really hard to compare cars because of size of batteries, how much buffer do they use, where the buffer is allocated, type of battery, type of cooling system used, range of cooling, power draw of motors, type of charging, etc... The only thing I know is I am only buying GM and Tesla EVs until the other car manufacturers show that their battery management is in the same ballpark.
 

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There are too many variables to this.
Where are these cars used, Vegas - Alaska? HUGE difference in my book for this. How many actual cars were used for each model for them to get these numbers?

I find it a bit off that the 2012 Leaf has better battery then the 2014 ???
 
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