225/45R17 vs 225/50R17

225/45R17 vs 225/50R17: Comparision Size Chart


225/45R17 (Tire 1)225/50R17 (Tire 2)Difference
Tire Size In Inches25X8.9R1725.9X8.9R17
Diameter24.97"634.3 mm25.86"656.8 mm3.55%
Tread Width8.9225 mm8.9"225 mm0%
Rim Diameter17"431.8 mm17"431.8 mm0%
Sidewall Height3.99"101.25 mm4.43"112.5 mm11.11%
Circumference78.45"1992.71 mm81.24"1992.71 mm3.55%
Revs/Mile807.65 Revs/Mile779.91 Revs/Mile-27.74
Revs/Kilometer501.85 Revs/Mile484.61 Revs/Mile-17.24
Tire 1 Front View
8.9"
24.97"
Tire 2 Front View
8.9"
25.86"
Tire 1 Side View
Tire 1 Wheel
Circumference 1
78.45"
17"
3.99"
807.65 Revs/Mile
Tire 2 Side View
Tire 2 Wheel
Circumference 2
81.24"
17"
4.43"
779.91 Revs/Mile

Speedometer Error

225/45R17 (Mph)225/50R17 (Mph)
2020.71
3536.24
5051.78
6567.31
8082.84
9093.2
100103.55

225/50R17 vs 225/45R17: Gas Mileage & Performance Comparison

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

225/45R17225/50R17
Wet/Snowy RoadsBetter TractionReduced Traction
Rough TerrainReduced StabilitySmoother Ride
Handling/SteeringLess ResponsiveLess Responsive
Gas MileageGoodBetter
Road NoiseQuieterQuieter
CostLess ExpensiveMore Expensive

Can You Replace The 225/45R17 With The 225/50R17?

No, both tires have the same rim diameter, but the 225/50R17 has a bigger overall diameter than the 225/45R17 which is 3.43% (0.89-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 225/45R17 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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