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215/55R17 vs 225/50R17

A 225/50R17 tire is wider and slightly shorter than a 215/55R17 tire, often compared for sedan and compact car fitment.

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The calculator opens with 215/55R17 and 225/50R17 already filled in, including the visual tire diagram, speedometer gauge, metric toggle, and share link.

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Good match The diameter change is within the common target range, but the wider tread still needs enough clearance around the wheel well and suspension.

215/55R17 vs 225/50R17 dimensions summary
Measurement	215/55R17	225/50R17
Overall diameter	26.31 in	25.86 in
Sidewall height	4.66 in	4.43 in
Circumference	82.66 in	81.24 in
Revolutions per mile	767	780
Ground clearance change	0.00 in	-0.23 in
Diameter difference	0.0%	-1.7%

Height change -0.45 in -12 mm overall diameter

Speedometer at 60 mph 59.0 mph -1.0 mph difference

Diameter difference -1.7% The overall diameter is within 3%, which is usually a reasonable target for a tire size change.

What changes between 215/55R17 and 225/50R17?

The main difference is overall diameter. 225/50R17 measures 25.86 in across, compared with 26.31 in for 215/55R17. That creates a -1.7% diameter change and a -0.23 in ground clearance change.

At an indicated 60 mph, this comparison estimates an actual speed of 59.0 mph. Use the live calculator before buying tires so you can review the visual clearance change, speedometer numbers, and shareable comparison link in one place.