A bit long but well explained. Thanks intrade.
In short, a first gen used leaf from a hot country has to be a careful purchase IF you plan to use it intercity, with the worst of them dropping to %75 of new capacity after eight years. Whereas a used Tesla with over a 100k (or anything with a battery cooling system, unlike the leaf) is a safe bet, only dropping to %90 after six years.
These conclusions can be found here in the last 7 minutes.
https://youtu.be/IHz-Kx5h_Tw