225/75R15 vs 235/75R15

225/75R15 vs 235/75R15: Comparision Size Chart


225/75R15 (Tire 1)235/75R15 (Tire 2)Difference
Tire Size In Inches28.3X8.9R1528.9X9.3R15
Diameter28.29"718.5 mm28.88"733.5 mm2.09%
Tread Width8.9225 mm9.3"235 mm4.44%
Rim Diameter15"381 mm15"381 mm0%
Sidewall Height6.64"168.75 mm6.94"176.25 mm4.44%
Circumference88.88"2257.23 mm90.73"2257.23 mm2.09%
Revs/Mile712.87 Revs/Mile698.34 Revs/Mile-14.53
Revs/Kilometer442.96 Revs/Mile433.93 Revs/Mile-9.03
Tire 1 Front View
8.9"
28.29"
Tire 2 Front View
8.9"
28.88"
Tire 1 Side View
Tire 1 Wheel
Circumference 1
88.88"
15"
6.64"
712.87 Revs/Mile
Tire 2 Side View
Tire 2 Wheel
Circumference 2
90.73"
15"
6.94"
698.34 Revs/Mile

Speedometer Error

225/75R15 (Mph)235/75R15 (Mph)
2020.42
3535.73
5051.05
6566.36
8081.67
9091.88
100102.09

235/75R15 vs 225/75R15: Gas Mileage & Performance Comparison

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

225/75R15235/75R15
Wet/Snowy RoadsBetter TractionReduced Traction
Rough TerrainReduced StabilitySmoother Ride
Handling/SteeringLess ResponsiveBetter
Gas MileageGoodBetter
Road NoiseQuieterQuiet
CostLess ExpensiveMore Expensive

Can You Replace The 225/75R15 With The 235/75R15?

Yes, both tires have the same rim diameter, and the 235/75R15 has a bigger overall diameter than the 225/75R15 which is only 2.04% (0.59-inch), it is the allowable margin (±3%).

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 225/75R15 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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