Man who's driven 300,000 miles on his 2022 Tesla Model Y reveals the effect its had on the battery
Published on Aug 12, 2025 at 3:25 PM (UTC+4)
by Henry Kelsall
Last updated on Aug 12, 2025 at 8:25 PM (UTC+4)
Edited by
Tom Wood
A man who’s driven his 2022 Tesla Model Y EV for 300,000 miles has revealed the effect it’s had on the battery.
Tesla driver Jason McKnight has posted on the Tesla High Mileage Club on Facebook, revealing the total mileage of the EV as well as the degradation of the battery.
Battery degradation on EVs has always been a talking point, with many concerned about how much range they will lose as time goes on.
But this post by McKnight revealed that it may not be all doom and gloom, as some have feared.
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What degradation was there on the 2022 Tesla Model Y battery?
As a 2022 Model Y, the EV has been running for around three years.
The odometer shows that the car has done 300,000 miles in that time, which is a huge amount of mileage.
McKnight said in his post on Facebook that the battery and motors are all original on his Tesla.
He has calculated that the degradation of the battery is around 21 percent in total.
For a car that has done so many miles, that isn’t bad, and far less of an issue than many would have you believe.
What is perhaps more surprising is how many miles have been done in the car in just a few years.
How others felt about the high mileage in the car
Many commenters on the Facebook post were simply shocked at the high mileage of the car.
One said, “Wow, and I’m here with 120,000mi on my X thinking I’m running high mileage. It’s just a baby afterall.”
One other welcomed McKnight to the 300,000-mile club, clearly being a member of that himself.
Clearly, the degradation in the battery hasn’t been too bad.
While it is 21 percent over just three years, the Tesla has done a huge amount of miles in that time.
There have been fears that the degradation in electric car batteries will increase as time goes on.
Some owners have now begun to check the health of their batteries.
But recent studies have shown they could last over 10 years, and that degradation is almost a non-issue.
That makes the argument for buying an electric car more compelling than ever.
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Henry is a content writer with nearly ten years experience, having written for various publications since 2017. Qualifying with a Sports Journalism degree from Staffordshire University, Henry loves all things automotive but has a particular soft spot for classic Japanese cars and anything Lancia. He also has a curious passion for steam locomotives.
