245/75R17 vs 285/75R17

245/75R17 vs 285/75R17: Comparision Size Chart


245/75R17 (Tire 1)285/75R17 (Tire 2)Difference
Tire Size In Inches31.5X9.6R1733.8X11.2R17
Diameter31.47"799.3 mm33.83"859.3 mm7.51%
Tread Width9.6245 mm11.2"285 mm16.33%
Rim Diameter17"431.8 mm17"431.8 mm0%
Sidewall Height7.23"183.75 mm8.42"213.75 mm16.33%
Circumference98.87"2511.08 mm106.28"2511.08 mm7.51%
Revs/Mile640.84 Revs/Mile596.16 Revs/Mile-44.68
Revs/Kilometer398.2 Revs/Mile370.44 Revs/Mile-27.76
Tire 1 Front View
9.6"
31.47"
Tire 2 Front View
9.6"
33.83"
Tire 1 Side View
Tire 1 Wheel
Circumference 1
98.87"
17"
7.23"
640.84 Revs/Mile
Tire 2 Side View
Tire 2 Wheel
Circumference 2
106.28"
17"
8.42"
596.16 Revs/Mile

Speedometer Error

245/75R17 (Mph)285/75R17 (Mph)
2021.5
3537.63
5053.76
6569.88
8086.01
9096.76
100107.51

285/75R17 vs 245/75R17: Gas Mileage & Performance Comparison

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

245/75R17285/75R17
Wet/Snowy RoadsBetter TractionReduced Traction
Rough TerrainReduced StabilitySmoother Ride
Handling/SteeringLess ResponsiveBetter
Gas MileageGoodBetter
Road NoiseQuieterQuiet
CostLess ExpensiveMore Expensive

Can You Replace The 245/75R17 With The 285/75R17?

No, both tires have the same rim diameter, but the 285/75R17 has a bigger overall diameter than the 245/75R17 which is 6.98% (2.36-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 245/75R17 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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