Lithium ion cells degrade with time as well as with use. The cells in a car unused for years should be in better shape than one that has been cycled hundreds or many hundreds of times over the past three years. Give the car a long drive and estimate usable capacity.
2017 e-Golf LE, Multi Coat White with Black Vegan Leather interior, purchased in early 2018
2015 e-Golf SEL leased for three years, returned in early 2018