I jumped in to the ABRP degradation thread with this, but this seems like it might be a better place. For a data point, I have a March 2020 build SR with just over 5,000 miles, and ABRP is showing 7.5 percent degradation and 44.4 kW capacity. That seems steep, but is corroborated by a recent 140-mile round trip I took last weekend, starting from 100 percent, that used 89 percent of the battery, putting my actual capacity around 40.5 kW.
I'm doing everything by the book – the SR already has a built-in buffer over the SR+, but I plug it in every time it's parked at home and set the charge limit to 90 percent apart from the rare road trip. Never had this issue with my old 500e or i3. Not inspiring a lot of confidence!
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