Study Confirms: Electric Vehicle Batteries Have a Longer Lifespan Than Most Gas Cars in the U.S. A growing body of real-world data is challenging one of the biggest myths about electric vehicles. Recent long-term studies reveal that electric vehicle (EV) batteries often outlast the usable lifespan of traditional gasoline cars in the United States. While many drivers fear expensive battery replacements, evidence now shows that modern EV battery packs degrade far more slowly than expected, retaini