Faster wear: Winter tires have a softer rubber compound, which wears out more quickly on warm, dry pavement. This means you'll need to replace your tires sooner, which can be costly.
Decreased performance: Winter tires are not designed for handling and braking on dry, warm roads. As a result, using them in summer conditions can lead to decreased performance, longer braking distances, and reduced handling capabilities.
Reduced fuel efficiency: The increased rolling resistance of winter tires can lead to reduced fuel efficiency when driving in warmer temperatures.
To maintain the best safety, performance, and fuel efficiency, it's recommended to switch between winter tires and all-season (or summer) tires as the seasons change. Use winter tires during the colder months and all-season tires during warmer months. This way, you'll ensure that your tires are suited to the driving conditions and will last longer.
In areas with severe winter conditions, winter tires are the better choice for optimal safety and performance. They remain flexible in cold temperatures, ensuring better traction on snow and ice. Meanwhile, all-season tires may be sufficient for year-round use in regions with milder winters, but they don't perform as well as winter tires in extreme cold, heavy snow, or icy conditions.
To make it simple, using winter tires all year long is a bad decision. Instead, switch between winter and all-season tires as the seasons change to ensure optimal safety, performance, and tire lifespan.
Drive safe, and remember to choose the right tires for the right conditions!