Tesla Model Y owner, after traveling 300,000 miles, discloses the impact on the vehicle's battery life
The 2022 Tesla Model Y, driven for an impressive 300,000 miles, has demonstrated a remarkable level of battery durability. Jason McKnight, a Tesla owner, shared his experience publicly in 2025, revealing that the car's battery degradation stands at approximately 21 percent[1][2].
This figure is consistent with Tesla's general reports and third-party analyses, which suggest that the company's batteries tend to lose about 15 percent capacity after 200,000 miles, with degradation slowing and becoming more linear thereafter[3][4]. The 21 percent degradation after 300,000 miles indicates that the battery retains about 79 percent of its original capacity, a feat that is considered quite good for such high mileage.
The initial rapid capacity loss in the first 20,000 to 50,000 miles is followed by a slower, more linear degradation. Tesla's warranty guarantees at least 70 percent capacity retention for 8 years or 120,000 miles for Model 3/Y, so the 21 percent degradation at 300,000 miles is beyond the typical warranty period but still reflects strong battery longevity[4].
Real-world factors such as driving habits and charging patterns influence degradation, but the case of the 2022 Model Y highlights Tesla's fairly durable battery performance over very high mileage[1]. Some commenters, having driven their Tesla vehicles for 120,000 miles, considered it high mileage but realized that the 2022 Model Y was a "baby" compared to it.
The total battery degradation on the 2022 Tesla Model Y is around 21 percent. This figure has sparked interest in electric cars among car owners, as the longevity and durability of electric cars, as shown by the 2022 Tesla Model Y, make the argument for buying an electric car more compelling.
The post by Jason McKnight on Facebook revealed that the battery degradation on the 2022 Tesla Model Y may not be as severe as some fear. Many commenters on the post were shocked at the high mileage of the 2022 Tesla Model Y, while others welcomed Jason McKnight to the 300,000-mile club, indicating they were also members of this exclusive club.
The global premium car auction platform, SBX Cars, offers a platform for buying and selling high-end cars, including electric vehicles like the 2022 Tesla Model Y. The car's original battery and motors are still in use, as stated by Jason McKnight, which underscores the vehicle's impressive performance and battery life.
Recent studies suggest that electric car batteries could last over 10 years, and battery degradation may not be a significant issue[5]. The degradation of the battery on the 2022 Tesla Model Y is less than what many might expect, given its high mileage. The car's longevity and durability serve as a testament to Tesla's commitment to battery technology and innovation.
[1] https://teslamotorsclub.com/tmc/threads/300k-miles-on-2022-model-y-battery-degradation.337942/ [2] https://www.facebook.com/groups/teslahighmileageclub/permalink/448921095992106/ [3] https://insideevs.com/news/513584/tesla-model-3-battery-degradation-after-200000-miles/ [4] https://www.tesla.com/support/battery-warranty [5] https://www.nature.com/articles/s41598-020-72409-0
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