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Hyundai Ioniq 5 Tops EV Battery Longevity Study
3 Sep
Summary
- Hyundai Ioniq 5 shows remarkable battery health retention.
- Significant battery health variations exist between individual EVs.
- Most EVs retain over 90% battery capacity after 150,000 km.

A comprehensive analysis of over 500,000 used electric vehicle battery tests has identified the Hyundai Ioniq 5 as a leader in long-term battery health. This extensive study, conducted by Aviloo, examined 20 popular EV models, revealing median State of Health (SoH) figures for the Ioniq 5 that exceed those of competitors like the Tesla Model Y and Model 3.
The research also underscored a critical finding: considerable variation in battery health exists between individual vehicles, even those with identical mileage. This suggests that factors beyond simple usage, such as climate and charging habits, significantly impact battery degradation. Despite these individual differences, the overall trend indicates robust battery performance, with most EVs retaining approximately 90% of their capacity after 150,000 kilometers.