Temperature influences the performance of electrified vehicles: a new AAA study exposes the truth about cold and heat in electric and hybrid cars and reveals unexpected range losses in extreme situations.

Written by Hilton Libório

Published on 11/05/2026 at 12:39

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New AAA study reveals how cold and heat affect the range, efficiency, and costs of electric and hybrid cars in extreme situations.

A new study by the American Automobile Association (AAA) released on May 1st revealed that extreme temperatures directly affect the efficiency and range of electric and hybrid cars. The research showed significant losses in both cold and hot conditions, confirming that climate significantly influences the performance of electrified vehicles.

The results drew attention because even hybrids recorded a relevant drop in fuel economy. Nevertheless, electric cars continue to present cost advantages under certain conditions, especially when charged at home.

New AAA study puts cold and heat at the center of the electrified vehicle debate

The new AAA study used dynamometers to simulate real driving conditions in a laboratory. Tests began at an ambient temperature of 22°C and then moved to extreme cold and hot scenarios.

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Cold weather slashes electric car range and surprises even AAA specialists

Extreme cold was the most critical scenario identified by AAA. At temperatures near -7°C, electric cars lost, on average, 35.6% of energy efficiency.

This drop resulted in an average loss of 39% in range. In practice, a vehicle that travels 400 kilometers in moderate weather could cover just over 240 kilometers in a very cold environment.

The Tesla Model Y Long Range was the model that showed the largest difference compared to the numbers recorded at 22°C.

Hybrids also suffered a significant impact. According to the study, fuel economy dropped by about 22.8% in intense cold.

Greg Brannon, AAA’s director of automotive engineering and research, stated that the organization already expected significant losses in electric cars. However, the drop recorded in hybrids surprised specialists.

Heat also affects hybrids and reduces the energy efficiency of electrified vehicles

Extreme heat also caused significant losses in the vehicles analyzed. According to the new AAA study, electric cars recorded an average drop of 10.4% in energy efficiency at temperatures near 35°C.

The loss of range was about 8.5%. Hybrids, on the other hand, showed an average reduction of 12% in fuel efficiency.

The impact occurs because high temperatures demand greater effort from battery cooling systems. Furthermore, constant use of air conditioning increases energy consumption.

Even though it is less severe than cold, heat continues to directly affect the efficiency of electrified vehicles.

AAA reveals significant difference in operating costs between electric and hybrid vehicles

In addition to range, the study also analyzed vehicle operating costs. The results showed that electric cars continue to be cheaper to run when recharged at home.

According to AAA, traveling 1,609 kilometers in an electric car cost, on average, US$ 87.75 in a cold environment, a value equivalent to approximately R$ 434.36.

This cost was about 29% below the average recorded for hybrids.

On the other hand, the advantage practically disappears when drivers rely exclusively on public fast chargers. Under these conditions, electric cars can cost more than hybrids.

New study shows how cold weather drastically increases drivers’ expenses

Data released by AAA shows that cold weather also directly impacts vehicle operating costs.

For electric cars, the average cost to travel 1,609 kilometers in moderate temperatures was approximately R$ 275.42. However, in temperatures near -7°C, this value increased by about 55%.

Hybrids, on the other hand, recorded an average cost of approximately R$ 472.75 in moderate weather. In extreme cold, the value reached US$ 123.95, equivalent to about R$ 613.55 according to the conversion used in the research.

According to researchers, this happens because the loss of efficiency requires more recharges or greater fuel consumption to cover the same distance.

Modern technologies try to reduce the impacts of cold and heat on hybrids

Automakers have been investing in solutions to minimize the effects of extreme temperatures on electric and hybrid cars.

Among the main technologies currently used are:

Advanced thermal management systems
More efficient heat pumps
Smart battery pre-heating
Optimized cooling for hot climates

These features help reduce range loss and improve vehicle energy efficiency.

Even so, experts recognize that cold and heat will continue to be important challenges for the evolution of electrified vehicles.

What AAA data reveals about the future of electric and hybrid cars

The new AAA study shows that weather can significantly alter the user experience of electrified vehicles. Cold drastically reduces the range of electric cars, while heat also causes significant efficiency losses.

Even with these challenges, electric cars continue to offer significant advantages in operational cost, especially for those with home charging.

Hybrids remain an interesting alternative for consumers who want savings without relying entirely on charging infrastructure.

The results reinforce that factors such as climate, daily routine, and access to charging should be considered before choosing between hybrids and electric cars.

With information from American Automobile Association (AAA)

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Temperature influences the performance of electrified vehicles: a new AAA study exposes the truth about cold and heat in electric and hybrid cars and reveals unexpected range losses in extreme situations.

New AAA study reveals how cold and heat affect the range, efficiency, and costs of electric and hybrid cars in extreme situations.

New AAA study puts cold and heat at the center of the electrified vehicle debate

Cold weather slashes electric car range and surprises even AAA specialists

Heat also affects hybrids and reduces the energy efficiency of electrified vehicles

AAA reveals significant difference in operating costs between electric and hybrid vehicles

New study shows how cold weather drastically increases drivers’ expenses

Modern technologies try to reduce the impacts of cold and heat on hybrids

What AAA data reveals about the future of electric and hybrid cars

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Temperature influences the performance of electrified vehicles: a new AAA study exposes the truth about cold and heat in electric and hybrid cars and reveals unexpected range losses in extreme situations.

New AAA study reveals how cold and heat affect the range, efficiency, and costs of electric and hybrid cars in extreme situations.

New AAA study puts cold and heat at the center of the electrified vehicle debate

Cold weather slashes electric car range and surprises even AAA specialists

Heat also affects hybrids and reduces the energy efficiency of electrified vehicles

AAA reveals significant difference in operating costs between electric and hybrid vehicles

New study shows how cold weather drastically increases drivers’ expenses

Modern technologies try to reduce the impacts of cold and heat on hybrids

What AAA data reveals about the future of electric and hybrid cars

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