EV testing company ClearWatt has revealed the key factors behind winter range loss, warning that cold weather can reduce electric vehicle range by up to 40% – though some models perform far better.
Based on testing data from thousands of EVs, ClearWatt found the average range drop between summer and winter is 22%, with performance largely dependent on battery chemistry, the presence of a heat pump, and wheel size. The Skoda Enyaq iV lost just 5% of its range, while Tesla models also proved resilient in low temperatures.
Drivers can offset winter range loss by pre-conditioning their vehicle, heating only the driver’s area, and maintaining smooth, moderate speeds.
Patrick Cresswell, ClearWatt’s co-founder and managing director, said: “It’s important to understand the impact of colder temperatures — but with preparation, range loss can be minimised. Our testing helps drivers know exactly how far their EV can really go in winter.”
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