The Headline Number: AAA’s 2026 Testing
In an expansive study published in May 2026, AAA tested electrified vehicles on climate-controlled dynamometers across a range of temperatures from 20°F to 95°F. Compared to a 75°F baseline, AAA found that EVs showed a 35.6% drop in efficiency (measured in MPGe) and a 39.0% decrease in calculated driving range at 20°F.
That range loss translates directly into cost. AAA’s data shows that at 20°F, EV operating costs increased by $32.11 per 1,000 miles when charging at home electricity rates, and by $76.93 per 1,000 miles when relying on public charging. For comparison, hybrids in the same study showed a smaller fuel economy drop of 22.8% in cold weather, and a more modest cost increase.
One notable finding: this isn’t a new problem that’s getting worse, but it’s also not a problem that’s clearly getting better. AAA ran similar testing back in 2019 with a different lineup of vehicles, and found the cold-weather range hit was approximately the same as in the 2026 results — meaning that despite years of battery chemistry improvements, more efficient EV designs, and smarter software, winter range performance hasn’t meaningfully changed, according to AAA’s director of automotive engineering.
A Different Number You’ll Also See: Recurrent’s Real-World Data
AAA’s tests are done on a dynamometer — essentially a treadmill for cars — under controlled lab conditions. A separate research effort, led by the EV data company Recurrent, takes a different approach: tracking real-world range data from tens of thousands of actual EVs on the road. Recurrent’s most recent study, covering more than 30,000 real-world vehicles, found an average 22% range loss at freezing (32°F).
What Happens in Truly Extreme Cold
Both AAA’s and Recurrent’s headline numbers cover moderately cold conditions. For genuinely extreme cold, U.S. Department of Energy research found that at 0°F, the additional energy needed for cabin heating leads to an average of approximately 50% range loss in stop-and-start urban driving conditions with significant idle time, with a maximum of about 59% loss in the most demanding scenarios. Highway driving fared meaningfully better in the same research, at roughly 39% loss, since sustained highway speeds involve less idle time relative to distance covered.
The Actual Cause: It’s the Heater, Not the Battery
Across every source we reviewed, one point comes up consistently: the dominant cause of winter range loss isn’t the battery struggling in the cold — it’s the energy required to heat the cabin. Unlike a gas car, which uses waste heat from the engine to warm the interior for free, an EV has to generate that heat using battery energy, competing directly with the energy that would otherwise go toward driving range.
This is also the best news in this whole topic, because it means the range loss is manageable, not a fixed penalty you’re stuck with. Recurrent’s research specifically identifies cabin heating as the dominant factor in cold-weather range loss for most everyday winter temperatures (above about 14°F).
Heat Pumps Make a Real, Measurable Difference
If your EV has a heat pump instead of a traditional resistive heater, that matters more than most other factors you can control. Heat pumps work by transferring heat from the outside air rather than generating it directly, similar to how a refrigerator or air conditioner works in reverse. Recurrent’s data found that vehicles equipped with a heat pump lose meaningfully less range in cold weather than the same vehicle with a conventional resistive heater — on the order of about 10 percentage points less range loss on average. As one specific example from that research, a Tesla Model 3 with a heat pump lost about 13% of its real-world range in the cold, compared to roughly 21% for a Model 3 without one.
Heat pump availability varies by manufacturer and model year — if this matters for your specific vehicle choice, check the manufacturer’s specifications directly rather than assuming.
What You Can Actually Do About It
- Precondition while plugged in. Warming the cabin before you unplug uses wall power instead of battery power for that initial heat-up — one of the single most effective habits available to any EV owner.
- Use seat and steering wheel heaters when possible, since heating a person directly takes less energy than heating the entire cabin’s air.
- Keep tire pressure correct, since cold air causes pressure to drop and underinflated tires increase rolling resistance.
- Expect public fast charging to cost more per mile in winter, based on AAA’s cost data above — budgeting for this in advance avoids an unpleasant surprise on a winter road trip.
What We Don’t Know
We don’t have reliable, specific cold-weather range-loss percentages for every individual EV model on the market today — the studies above cover specific vehicle samples, not every vehicle sold. If you’re deciding between specific models based on winter performance, Recurrent’s ongoing research tracks a wide range of individual vehicles and is a better source for model-specific comparisons than any single statistic in this article.
The Bottom Line
Cold weather will reduce your EV’s range — that part is well established across every credible source we found, from roughly 20-40% in typical winter cold depending on the exact temperature and testing method, and up to 50%+ in extreme cold with heavy stop-and-start driving. What’s just as well established is that the loss is temporary, driven mainly by cabin heating rather than permanent battery damage, and meaningfully reducible through preconditioning, heat pump technology, and a few basic winter driving habits.