EV Battery Health: Which Models Retain the Most Capacity After 62,000 Miles? (2026)

The world of electric vehicles (EVs) is a competitive arena, with brands vying for dominance in a market that's constantly evolving. A recent study conducted by a Swedish used EV marketplace, Carla, has shed light on the battery health of various EV models, revealing some surprising findings. The study analyzed data from 9,954 battery health tests conducted between 2022 and 2026, with a focus on battery capacity retention after 62,000 miles. The results may challenge common perceptions about EV battery degradation.

The Top Performers

The top three spots in the study were occupied by South Korean brands, showcasing their prowess in EV battery technology. The Kia e-Niro and Hyundai Kona emerged as the clear winners, retaining an impressive 97.25% and 97.18% of their battery capacity, respectively, after 62,000 miles. The Kia EV6, with a 95.95% capacity retention, rounded out the top three.

These results are particularly intriguing given the intense competition in the EV market. Tesla, a brand often associated with cutting-edge technology, had four of its models on the list, but their performance was somewhat average, with some models retaining around 93% of their capacity.

A Positive Outlook for EV Battery Health

The study's findings suggest that battery degradation is not as severe as commonly believed. This is a significant point for potential EV buyers who may be hesitant due to concerns about battery health over time. The results indicate that many EVs can maintain a high level of battery capacity even after extensive use.

This positive outlook is further supported by another Swedish study, which found that eight out of ten used electric cars would retain more than 90% of their battery capacity. These studies collectively challenge the notion that EV batteries rapidly degrade, providing reassurance to those considering an EV purchase.

Implications and Future Trends

The study's implications are far-reaching. It suggests that EV manufacturers are making significant strides in battery technology, ensuring that their vehicles can withstand the test of time. This is particularly important as the market becomes more saturated, and consumers demand longer-lasting and more reliable EVs.

Moreover, the study highlights the importance of proper battery management. While some EVs performed exceptionally well, others showed signs of degradation, indicating that driver behavior and maintenance play a crucial role in preserving battery health. This could lead to the development of more comprehensive battery care guidelines and practices.

In conclusion, this study offers a refreshing perspective on EV battery health, challenging the notion that degradation is an insurmountable issue. As the EV market continues to evolve, it is essential to consider these findings and their implications for both manufacturers and consumers.

EV Battery Health: Which Models Retain the Most Capacity After 62,000 Miles? (2026)
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