> I know someone with a 6 year old Tesla X that now has a range of around 120 miles. How many miles do they have on it? Mileage that short after only 6 years

> I know someone with a 6 year old Tesla X that now has a range of around 120 miles. How many miles do they have on it? Mileage that short after only 6 years should be covered by warranty. That's not degradation, that's a battery failure.