255/30R24 vs 275/25R24

255/30R24 vs 275/25R24: Comparision Size Chart


255/30R24 (Tire 1)275/25R24 (Tire 2)Difference
Tire Size In Inches30X10R2429.4X10.8R24
Diameter30.02"762.6 mm29.41"747.1 mm-2.03%
Tread Width10255 mm10.8"275 mm7.84%
Rim Diameter24"609.6 mm24"609.6 mm0%
Sidewall Height3.01"76.5 mm2.71"68.75 mm-10.13%
Circumference94.31"2395.78 mm92.39"2395.78 mm-2.03%
Revs/Mile671.83 Revs/Mile685.79 Revs/Mile+13.96
Revs/Kilometer417.46 Revs/Mile426.13 Revs/Mile+8.67
Tire 1 Front View
10"
30.02"
Tire 2 Front View
10"
29.41"
Tire 1 Side View
Tire 1 Wheel
Circumference 1
94.31"
24"
3.01"
671.83 Revs/Mile
Tire 2 Side View
Tire 2 Wheel
Circumference 2
92.39"
24"
2.71"
685.79 Revs/Mile

Speedometer Error

255/30R24 (Mph)275/25R24 (Mph)
2019.59
3534.29
5048.99
6563.68
8078.38
9088.17
10097.97

275/25R24 vs 255/30R24: Gas Mileage & Performance Comparison

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

255/30R24275/25R24
Wet/Snowy RoadsReduced TractionBetter Traction
Rough TerrainSmoother RideReduced Stability
Handling/SteeringLess ResponsiveBetter
Gas MileageBetterGood
Road NoiseQuieterQuiet
CostMore ExpensiveLess Expensive

Can You Replace The 255/30R24 With The 275/25R24?

Yes, both tires have the same rim diameter, and the 275/25R24 has a smaller overall diameter than the 255/30R24 which is only 2.07% (0.61-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 255/30R24 tire will only fit on a 24″ 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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