Skepticism of electric vehicle ownership has spawned many comparisons, tests, and global studies of new and used EVs. A study performed by AVILOO, an Austrian company pioneering battery health diagnostic tools, revealed the battery condition of 20 different models using data collected from 2022 to 2026, across five continents.
Smaller batteries in vehicles with short ranges were found to degrade faster than vehicles with much longer ranges, but the biggest variations weren’t found comparing one model to another. Individual cars varied in battery health, providing a range of data points for each model tested and leading to a peak variation of 13.5% between the best and worst examples of one specific model. After 500,000 different data points were crunched, the math was published for both owners and companies to compare notes.
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