ICCT 2025 ranks Tata first at about 106 Wh/km and Mahindra second at 113 Wh/km.
Indian EVs are mostly compact crossovers with 59–79 kWh packs.
If the same Indian models kept low Wh/km under EPA testing, they could use smaller batteries for similar range, cutting cost and weight.
Tata Motors just did something most US EV fans did not expect. Its battery-electric models now top a global energy-efficiency ranking ahead of Tesla and BYD, with Mahindra right behind. In the International Council on Clean Transportation’s 2025 automaker rating, Tata’s fleet averaged about 106 Wh/km (170 Wh/mi), Mahindra came in at 113 Wh/km (182 Wh/mi), while Tesla…
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