The 2025 Chevrolet Equinox EV, a strong contender in the electric vehicle market, faces considerable challenges in extreme cold. A real-world test conducted at -6°F demonstrated that while starting with a full charge and an EPA-rated 307-mile range, the vehicle lost significant range and efficiency when driven at 75 mph on the highway. After using 90% of the battery, the driver covered approximately 150 miles before the car’s power management began limiting performance. This suggests a maximum theoretical range of just 144.5 miles in frigid temperatures, underlining the impact of climate on EV performance.
At a brisk -6 degrees Fahrenheit, the test started with a full battery and an estimated range of 306 miles. After disconnecting the charger, the driver quickly got on the highway where he set the cruise control to a constant 75 miles per hour.
Taking the miles/kWh figure into account and multiplying it with the usable battery capacity, we get a theoretical maximum range of 144.5 miles in sub-zero temperatures at a constant speed of 75 mph.
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