At my current rates of degradation, my 2014 Spark EV will hit the battery replacement threshold at 12.4 kWh and my 2016 at 11.4 kWh. The real question is will the degradation continue at the present rate, which, if it does, I will be able to make a warranty claim for each car.
Currently, GOM range is not an issue for either car. The 2014 is used for local driving. The 2016 is used mainly for local driving with some drives into the Bay Area. As long as the EA and EVgo stations continue working, I have no problems. But, recent bad charging experiences make me question how reliable the EA stations really are. EVgo almost always works.