225/50R17

About 225/50R17

Factory fitments for 225/50R17 include the Audi A4, BMW 3 Series, Honda Accord — meaning replacement tires in this size see steady demand and broad brand availability. At 25.86″ overall diameter, 225/50R17 turns 780 revolutions per mile, which is the reference point the factory speedometer and odometer were calibrated against. The 50% aspect ratio gives it a moderate sidewall suited to sporty street driving and responsive turn-in. The 17″ rim pairing is typical for light-truck, crossover, and mid-size SUV applications, so compatible wheels are easy to source new or used. Going one step shorter to 215/50R17 drops diameter by 1.52%, which stays within the ±3% fitment safe zone for most vehicles. Stepping up to 205/55R17 adds 0.08% diameter — also inside the safe window, with marginally taller ride height. If you are shopping for a direct replacement, any tire within roughly ±0.7″ of the 25.86″ stock diameter (about ±2% in percentage terms) will keep ABS, TPMS, and odometer readings inside the vehicle's designed tolerance.

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