Following the Virginia shutdown of Interstate 95 that left countless people stranded in freezing weather overnight earlier this month, there was a surprising amount of news coverage making offhand comments about how victims would have been better off if they all were driving electric vehicles (Ed. note — there was also this Washington Post op-ed in which the author worried that an EV would be a poor vehicle to be stranded in And this Vice rebuttal to that article). While it seemed an inopportune time to advertise for EVs, it’s an interesting premise and encouraged Car and Driver to conduct a head-to-head experiment between a Tesla Model 3 and Hyundai Sonata N-Line to see who could keep the cabin warm for the longest period of time when stranded.
Realistically, you’d be better off in whatever vehicle is yielding the heaviest fuel tank or least-depleted battery when traffic stops. But there are other factors to consider. Idling an internal-combustion car for extended periods of time is not recommended and doing so when totally snowed in could potentially trap harmful exhaust gasses if the exhaust is not kept clear. Meanwhile, EVs are notorious for having their battery chemistry altered by colder temperatures. This is especially true if they lack the relevant thermal management systems, resulting in the maximum range being diminished by as much as 30 percent.
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