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Why Electric Vehicle Tires Wear Down Faster Than Regular Cars


Why Electric Vehicle Tires Wear Down Faster Than Regular Cars


1791490448e01807bd98a4c49f3b2e37e8f29a3eb70c1bac94.jpgEren Goldman on Unsplash

Electric vehicles are often praised for requiring less routine maintenance than gasoline-powered cars, and that's generally true when it comes to things such as oil changes and some engine-related service. Tires, however, are a different story. Many EVs put greater demands on their tires because of their weight and the way electric motors deliver power, meaning you may find yourself paying attention to tread depth sooner than expected.

That doesn't mean every electric vehicle will destroy a set of tires quickly or that EV tires are inherently poor quality. Tire design has evolved specifically to handle electric vehicles, and driving habits make a substantial difference. Understanding what's happening at the road surface can help explain why your tires may need more attention.

Weight is what will cause most electric vehicles to wear out their tires quicker than other gas-powered counterparts. With all of the batteries on these cars, they add a ton of weight, which puts more stress on your tires when driving. There is information from tire manufacturers that states that vehicle weight will affect your tread life.

Since the car is heavier, your tires will have to work harder to get your vehicle moving. It won't be as severe as your tires just crushing into your car, but when you have more weight, they will wear faster. As mentioned above, if you are driving a heavy EV with lots of battery weight, your tires are going to wear out quicker than if you were driving a regular car.

More Weight Also Affects Braking

179149041122ea568b5bd5cf46ea8bc33720d0d6d51b77e8e2.jpgCHUTTERSNAP on Unsplash

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Weight becomes particularly relevant when you slow down. An electric vehicle's tires have to provide enough traction to manage the vehicle's momentum, including during emergency or hard braking. On slippery roads, the additional weight of an EV can also contribute to longer stopping distances compared with a lighter vehicle when other conditions are equal.

With regenerative braking, you have the ability to use your electric motor to help slow down your vehicle. This will allow your vehicle to gain some energy back into your battery. Your tires will still need to do their job of staying on the road surface and helping brake your vehicle as well.

As mentioned before, EVs are heavier than traditional cars. Tire companies understand this and make products to accommodate for that. Some EVs call for higher load-rating tires (XL/HL), so be sure to follow the manufacturer's requirement for load rating when looking for tires to put on your EV.

Tire size is not as important as the load rating. Another concern with EVs is the torque they produce. As EVs can reach their maximum torque at very low RPMs, you can accelerate very quickly.

Which many people love about driving an EV. But when doing this, you are putting more wear and tear on your tires. This is particularly noticeable when you press the accelerator aggressively.

A powerful EV can send a large amount of torque to the driven wheels almost immediately, forcing the tires to manage that force against the pavement. If the tires lose some of their grip during a hard launch, the resulting wheel slip can accelerate tread wear.

Your Driving Style Makes a Difference

You don't have to drive an EV gently all the time, but repeatedly making full-throttle launches isn't particularly friendly to your tires. Smooth, progressive acceleration allows the tires to maintain rolling contact with the road rather than experiencing sudden bursts of force. Michelin specifically recommends smoother throttle inputs as one way EV drivers can reduce tire wear.

It may be funny if you bought an EV because of its acceleration. Your vehicle can make your passengers wonder why they drank coffee before driving, but there is no reason to prove that at every stoplight. Having that burst of power will prolong the life of your tires.

There may be some variation in how quickly each tire wears down on an electric vehicle. Each tire that drives the vehicle can wear down quicker. Just rotate your tires if the vehicle and tire allow it, which can help spread out the mileage.

That makes tire inspections especially worthwhile. You might still have plenty of tread on one pair while the other pair is getting considerably closer to replacement territory. Checking the tires rather than assuming they'll all wear at the same rate can prevent an unpleasant surprise.

The tire industry hasn't simply watched EVs become heavier and more powerful without responding. Modern EV-oriented tires can use stronger construction and tread compounds designed to withstand the additional load and torque. Manufacturers are also working to balance durability with other requirements that are particularly important for electric vehicles.

That's why calling EV tires "regular tires with different marketing" isn't quite accurate. Tire engineers have to consider load capacity, tread wear, rolling resistance, grip, and noise when developing products for electric vehicles. The result is a tire designed around the particular demands of the vehicle rather than simply adapted after the fact.




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