Tire Size Comparison

Tire size comparison is not merely a factor of aesthetic preference or an insignificant detail in vehicle maintenance. It is a critical consideration that impacts safety, efficiency, performance, and cost. Whether you're replacing old tires, upgrading for better performance, or simply ensuring compliance with regulations, taking the time to compare tire sizes is a small investment that yields significant dividends in terms of driving experience and peace of mind.

Enter the tire sizes you want to compare to see their specs side by side. You will also get the difference between the speedometer reading of the original tire and the actual speed when using the new tire size.

Tire Size 1

Tire Size 2

Visual Tire Comparison

Tire Size 1

Tire Section Width

Tire Size 2

Tire Section Width

Tire Size 1

Tire Side
Tire Circumference

Tire Size 2

Tire Side
Tire Circumference

Tire Size Specs Comparison

Inches Size 1 Size 2
Diameter
Width
Rim
Sidewall
Circumference
Revolutions

Speedometer Error Chart

Speedometer Reading Actual Speed
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Why Tire Size Matters

Tire size comparison may seem like a minor detail to many drivers, but it plays a crucial role in ensuring safety, optimizing performance, and enhancing efficiency on the road. Let us explore the benefits and considerations involved in tire size comparison, providing drivers with essential knowledge to make informed decisions.

Safety

The paramount importance of correct tire size stems from its direct impact on vehicle safety. Tires are the sole point of contact between a vehicle and the road, and their size significantly influences handling, braking performance, and stability. Incorrect tire sizes can adversely affect a vehicle's handling, making it more challenging to control in varying driving conditions. Properly sized tires maintain the vehicle manufacturer's intended handling characteristics. The right tire size also ensures optimal contact with the road, which is critical for efficient braking. Oversized or undersized tires can lead to increased stopping distances. Stability in driving, especially at high speeds or in adverse conditions, is directly influenced by tire size. Incorrect sizes can increase the risk of rollovers in SUVs and other top-heavy vehicles.

Fuel and Energy Efficiency

Tire size also has a notable impact on a vehicle's fuel or energy efficiency. The rolling resistance of a tire - how much energy is needed to keep a tire moving - varies with size. Larger tires might offer more durability but can also increase rolling resistance and, consequently, fuel or energy consumption. Comparing tire sizes for their efficiency metrics is a valuable practice for eco-conscious drivers and those looking to minimize fuel costs and extend driving range.

Tire Wear and Lifespan

Selecting the correct tire size affects how evenly a tire wears over its lifespan. Incorrectly sized tires can lead to uneven wear patterns, which may necessitate premature replacement. This not only affects the longevity of the tires but also contributes to higher maintenance costs over time. Even wear ensures that all tires maintain optimal performance and safety levels throughout their service life.

Vehicle Performance

The performance of a vehicle, including acceleration, cornering, and overall drivability, can be improved or impaired by the size of its tires. Larger tires might enhance traction and cornering performance but can also add weight, affecting acceleration and fuel economy. In contrast, smaller tires may improve fuel economy and acceleration at the expense of traction and stability. A careful comparison based on performance needs is essential.

All listed guides, data and/or calculations are for informational purposes only. TireSizes.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.