I have a Model 3 LR RWD (325 mile range) that I bought in March 2019. Up until say three weeks ago, charging to 80% showed the range as 260-262 and charging it to 90% showed the range as 291-293 (80% of 325 = 260 and 90% of 325 = 292.5).
Now, over the past 2 weeks or so, charging to 80% has...