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Well I had an opportunity to test the range in warm weather.  In my first week of ownership I had a birthday to drive my son to at a theme park that was 43 miles away according to google maps.  I figured I'd try to make it round trip since the car is supposed to have about an 85 mile range.  (I have a 2014 without the range extender).  Since I hadn't gotten my in home level 2 charger installed yet, I was relying on a long charge on the level 1 charger, that ended up having the car at only 94% SOC when it was time to depart.  I was a bit concerned at this point about my ability to make it round trip, so I drove very efficiently (no A/C, 60 MPH cruise control on the highway).  It was 86% so it was a bit uncomfortable in the cabin.  When I arrived at the destination I had travelled 36 miles (my route must have been shorter than what was posted on google maps) and 64% SOC.  This trip used 30% of the charge, so it extrapolates to a 120 mile range.  On the way back it had heated up to 96 degrees, so feeling much more confident in my ability to get back, I used the A/C intermittently (about 50% of the time) which kept things comfortable.  I again drove efficiently at 60 mph with cruise control.  The return trip took 37  miles on the odometer and the SOC went from 64% to 27%.  That return trip extrapolates to 100 miles of range from a full charge. 


Based on these results, I imagine the maximum range on a hot day is about 120 miles with ultra efficient driving, with 85 miles probably realistic for carefree driving and 100 miles being very doable with careful driving.


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