For a while, I have suspected that my classic 60 has been suffering from higher than average battery degradation. My 90% charge is down to 165, while my wife's classic 60 is holding strong at 182 @ 90%. (my car is a 2014 with 48k, hers is a 2013 with 55k). The last time I had the care in for service, I asked them to check out the battery, and they told me "it is aging really well, and the lower rated range means nothing". Does anyone know what the usable kWh on a classic 60 should be? I did a road trip yesterday, starting with a 100 charge, running the car down to 17% charge remaining. My car showed 41 kWh used at this point. Running the math (41kWh / total capacity = .83) gives me a total capacity of about 49 kWh. To determine what my battery degradation is, I will need to know what the total capacity should be. I will run this test on my wifes car to get another data point, but knowing the "like new" number for a classic 60 would give me a little bit more leverage if I end up needing to escalate my concerns with Tesla. Does anyone know what this number should be?