"The rate of reduction cannot be assured, however, the battery is expected to maintain approximately 80% of its’ initial capacity after 5 years of normal operation and recommended care, but this is not guaranteed."
Nissan is finally being realistic, at least for the fleet average. The 2 SD range is I suspect between 2% - 8% a year (places like Phoenix excluded.)
2013 LEAF 'S' Model with QC & rear-view camera
Bought off-lease Jan 2017 from N. California
Two years in Colorado, now in NM
03/2018: 58 Ahr, 28k miles
11/2018: 56.16 Ahr, 30k miles
2018 Tesla Model 3 LR, Delivered 6/2018