
When it’s time to replace your tires, you might be tempted to look for the best deal or the most stylish option. However, choosing the right tire size is crucial for your safety and the overall performance of your vehicle. Buying and installing the wrong tire size can lead to a variety of problems, some of which can be serious and costly to fix. Understanding what happens when tire size doesn’t match your vehicle’s specifications helps you make a better, safer choice.
How Tire Size Works
Tire size is more than just a number and includes a combination of width, aspect ratio, and diameter. These measurements determine how your tire fits on the wheel and how it interacts with your vehicle’s suspension, brakes, and drivetrain.
The correct size is specified by the vehicle manufacturer and can usually be found on a sticker inside the driver’s door or in your owner’s manual. Installing tires outside of these specifications can throw off the balance and design of your car.
Handling and Stability Problems
Your vehicle’s suspension and steering systems are carefully tuned for a specific tire size. Using a tire that is too large or too small can affect how your car handles on the road.
Oversized tires may cause your vehicle to feel sluggish or unresponsive, especially when turning or maneuvering quickly. On the other hand, undersized tires can make your car feel unstable and increase the risk of losing control during emergency situations.
Incorrect Speedometer and Odometer Readings
Your speedometer and odometer rely on the rotation of your tires to calculate speed and distance traveled. Changing tire size affects the circumference of the tire, which in turn impacts these readings.
For example, if you install larger tires, your speedometer might show a lower speed than you’re actually traveling. This can lead to speeding without realizing it, causing inaccuracies in mileage tracking and affecting maintenance schedules and resale value.
Increased Wear and Tear on Vehicle Components
Wrong-sized tires can put extra strain on your vehicle’s drivetrain, suspension, and braking systems. If the tires are too large, they may rub against the wheel wells or fenders, damaging both the tire and the vehicle body.
Incorrect tire sizes can also cause uneven wear on suspension parts and lead to premature failure of components like wheel bearings and axles.
Reduced Fuel Efficiency
Tires that don’t match your vehicle’s specifications can negatively affect fuel economy. Larger, heavier tires can increase rolling resistance, requiring your engine to work harder and burn more fuel. Even a small reduction in fuel efficiency can add up over time, increasing your overall cost of ownership.
Safety Risks
Perhaps the most important reason to avoid the wrong tire size is safety. Mismatched tires can compromise your vehicle’s braking performance, especially in wet or emergency situations. Incorrectly sized tires can also impact traction and increase the likelihood of hydroplaning.
By choosing the right tire size, you ensure that your car stops and handles as designed, keeping you and your passengers safer on the road.
Warranty and Insurance Concerns
Using incorrect tire sizes can void parts of your vehicle warranty or lead to insurance issues if the tires contribute to an accident. Manufacturers and insurance companies expect vehicles to be maintained according to specific standards, including proper tire sizing.
How to Choose the Right Tire Size
Always refer to your vehicle’s owner’s manual or the information sticker on the door jamb to find the correct tire size. If you’re considering a different size for performance or aesthetic reasons, consult with a trusted tire professional first.
An expert can help you understand the pros and cons and determine if an alternative size is safe and compatible with your vehicle’s systems.
Get the Right Tires at Morrison Tire Inc. in Garden Grove, CA
Choosing the right tires isn’t just about looks or price. It’s about keeping your vehicle performing safely and efficiently. At Morrison Tire Inc. in Garden Grove, CA, our knowledgeable team can help you find and install the correct tires for your car. We’ll make sure you get the perfect fit and enjoy a smooth, safe ride every time you hit the road. Schedule your tire service today and drive away with confidence.