225/45R17 vs 215/50R17

225/45R17 vs 215/50R17: Comparision Size Chart


225/45R17 (Tire 1)215/50R17 (Tire 2)Difference
Tire Size In Inches25X8.9R1725.5X8.5R17
Diameter24.97"634.3 mm25.46"646.8 mm1.97%
Tread Width8.9225 mm8.5"215 mm-4.44%
Rim Diameter17"431.8 mm17"431.8 mm0%
Sidewall Height3.99"101.25 mm4.23"107.5 mm6.17%
Circumference78.45"1992.71 mm79.98"1992.71 mm1.97%
Revs/Mile807.65 Revs/Mile792.2 Revs/Mile-15.45
Revs/Kilometer501.85 Revs/Mile492.25 Revs/Mile-9.6
Tire 1 Front View
8.9"
24.97"
Tire 2 Front View
8.9"
25.46"
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
79.98"
17"
4.23"
792.2 Revs/Mile

Speedometer Error

225/45R17 (Mph)215/50R17 (Mph)
2020.39
3535.69
5050.99
6566.28
8081.58
9091.77
100101.97

215/50R17 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.

225/45R17215/50R17
Wet/Snowy RoadsBetter TractionReduced Traction
Rough TerrainReduced StabilitySmoother Ride
Handling/SteeringBetterLess Responsive
Gas MileageGoodBetter
Road NoiseQuietQuieter
CostLess ExpensiveMore Expensive

Can You Replace The 225/45R17 With The 215/50R17?

Yes, both tires have the same rim diameter, and the 215/50R17 has a bigger overall diameter than the 225/45R17 which is only 1.93% (0.49-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 225/45R17 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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