Tire 1 (Stock)
Diameter
31.61"
Circumference
99.29"
Tire 2 (New)
Diameter
31.35"
Circumference
98.48"
Comparison Summary
-0.82%
Diameter Difference
SAFE
Fitment Guide
At an actual 60 mph, Tire 2 would travel at 59.5 mph.
Tire Size Calculator: Compare Dimensions and Speedometer Accuracy
When changing wheels or tires, it is crucial to understand how the new dimensions affect your car's handling and Speedometer readout. Our tool provides a side-by-side comparison of two tire setups.
A taller tire has a larger circumference, meaning the car travels further per revolution. This can cause your speedometer to read lower than your actual speed.
We recommend keeping the overall diameter within 3% of the factory original to avoid issues with ABS, traction control, and transmission sensors.
Automotive and Fuel FAQ
How can I improve my gas mileage?
Remove unnecessary weight from the trunk, keep tires properly inflated, and use cruise control on highways to maintain a steady speed.
What is the difference between HP and Torque?
Torque is the 'turning force' (how much work can be done), while Horsepower is the rate of that work (how fast the work can be done).
What do tire numbers like 225/45 R17 mean?
225 is the width in mm, 45 is the aspect ratio (% of width), R means Radial, and 17 is the rim diameter in inches.
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