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Degradation is nonlinear and front-loaded. Expect to lose 5% by 25K miles, another 5% off the top by 125K miles, and then the final 5% no sooner than 200K miles (data is sparse after that). https://insideevs.com/news/525820/tesla-battery-capacity-ret...

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That just about lines up with our experience. Our 2014 S 85 has about 200k miles and we're sitting at 13.5% degradation. 230 miles vs. the 265 it was rated new.

It's not as simple as that.

"keep in mind that time, temperatures and other factors (like how long the battery stayed at a high state-of-charge levels) also influence the battery degradation."

I have yet to even put 25K on my Model3, but I have already lost 9% in my 3.5 years of ownership.

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