265/65R17 vs 255/75R17

265/65R17 vs 255/75R17: Comparision Size Chart


265/65R17 (Tire 1)255/75R17 (Tire 2)Difference
Tire Size In Inches30.6X10.4R1732X10R17
Diameter30.56"776.3 mm32.06"814.3 mm4.9%
Tread Width10.4265 mm10"255 mm-3.77%
Rim Diameter17"431.8 mm17"431.8 mm0%
Sidewall Height6.78"172.25 mm7.53"191.25 mm11.03%
Circumference96.01"2438.82 mm100.72"2438.82 mm4.89%
Revs/Mile659.93 Revs/Mile629.07 Revs/Mile-30.86
Revs/Kilometer410.06 Revs/Mile390.89 Revs/Mile-19.17
Tire 1 Front View
10.4"
30.56"
Tire 2 Front View
10.4"
32.06"
Tire 1 Side View
Tire 1 Wheel
Circumference 1
96.01"
17"
6.78"
659.93 Revs/Mile
Tire 2 Side View
Tire 2 Wheel
Circumference 2
100.72"
17"
7.53"
629.07 Revs/Mile

Speedometer Error

265/65R17 (Mph)255/75R17 (Mph)
2020.98
3536.72
5052.45
6568.19
8083.92
9094.41
100104.9

255/75R17 vs 265/65R17: Gas Mileage & Performance Comparison

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

265/65R17255/75R17
Wet/Snowy RoadsBetter TractionReduced Traction
Rough TerrainReduced StabilitySmoother Ride
Handling/SteeringBetterLess Responsive
Gas MileageGoodBetter
Road NoiseQuietQuieter
CostLess ExpensiveMore Expensive

Can You Replace The 265/65R17 With The 255/75R17?

No, both tires have the same rim diameter, but the 255/75R17 has a bigger overall diameter than the 265/65R17 which is 4.67% (1.5-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 265/65R17 tire will only fit on a 17″ 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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