31X10.50R15 vs 235/75R15

31X10.50R15 vs 235/75R15: Comparision Size Chart


31X10.50R15 (Tire 1)235/75R15 (Tire 2)Difference
Tire Size In Inches31X10.50R1528.9X9.3R15
Diameter30.98"787 mm28.86"733 mm-6.86%
Tread Width10.5267 mm9.3"235 mm-11.99%
Rim Diameter15"381 mm15"381 mm0%
Sidewall Height7.99"203 mm6.93"176 mm-13.3%
Circumference97.33"2472.43 mm90.67"2472.43 mm-6.86%
Revs/Mile650.98 Revs/Mile698.8 Revs/Mile+47.82
Revs/Kilometer404.5 Revs/Mile434.22 Revs/Mile+29.72
Tire 1 Front View
10.5"
30.98"
Tire 2 Front View
10.5"
28.86"
Tire 1 Side View
Tire 1 Wheel
Circumference 1
97.33"
15"
7.99"
650.98 Revs/Mile
Tire 2 Side View
Tire 2 Wheel
Circumference 2
90.67"
15"
6.93"
698.8 Revs/Mile

Speedometer Error

31X10.50R15 (Mph)235/75R15 (Mph)
2018.63
3532.6
5046.57
6560.54
8074.51
9083.83
10093.14

235/75R15 vs 31X10.50R15: Gas Mileage & Performance Comparison

* Below is a comparison table. Assuming 2 tires of the same manufacturer, material and tested on the same road conditions.

31X10.50R16235/75R15
Wet/Snowy RoadsReduced TractionBetter Traction
Rough TerrainSmoother RideReduced Stability
Handling/SteeringBetterLess Responsive
Gas MileageBetterGood
Road NoiseQuietQuieter
CostMore ExpensiveLess Expensive

Can You Replace The 31X10.50R15 With The 235/75R15?

No, both tires have the same rim diameter, but the 235/75R15 has a smaller overall diameter than the 31X10.50R15 which is -7.37% (2.12-inch).

When you want to replace a different tire size, as a rule, for the rim diameter, you will need to be sure that your tires and rims are an exact match, e.g. a 31X10.50R15 tire will only fit on a 15″ diameter rim.

You Can check our tools and charts below to find your size:

*Disclaimer: The information provided on the tire size is for general informational purposes only. We recommend that you consult a certified tire specialist or National Highway Traffic Safety Administration (NHTSA) sets specific guidelines for tires used on vehicles.


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Jamie Hicks

Sullivan Kane

Tire Technician at TireSizesCalculator

Sullivan is a Tire Technician specializing in tire repair at TireSizesCalculator. With over 6 years of experience in the industry, Sullivan has become an expert in tire repair, maintenance & installation.


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