In some cases, vehicles left in freezing conditions saw their expected range fall by 33%.
Drivers are being warned to understand the pros and cons of electric cars, after testing showed the impact of cold weather on their performance.
In some cases, vehicles left in freezing conditions saw their expected range fall by 33%, for others it was more like 16%.
What Car? says that despite the shortcomings, many electric cars can still be cheaper to run than petrol or diesel equivalents.