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All You Need To Know About P235/50R17 Tire Size

P235/50R17 has a 235 mm section width, a 50% aspect ratio, and fits a 17-inch wheel, producing an overall diameter of approximately 26.3 inches and a sidewall approximately 4.6 inches high. The P prefix identifies P235/50R17 as a P-metric passenger tire size. A verified 235/50R17 version also exists with the same nominal dimensions; P-metric and Euro-metric designations can use different load-and-inflation standards, so matching the designation and load requirements to the vehicle remains important.

P235/50R17 Size Quick Specs

What Vehicles Use P235/50R17?

The P235/50R17 tire size is documented in this exact size on the following vehicles:

• Cadillac STS
• Lincoln LS
• Buick LaCrosse
• Buick Regal
• Ford Thunderbird

To check whether the P235/50R17 tire size is a factory fitment for your specific vehicle, use our VIN lookup tool.

P235/50R17 Dimensions in Inches

The P235/50R17 tire size is approximately 9.3 inches wide, 26.3 inches tall overall, with a sidewall approximately 4.6 inches high. For P235/50R17, the 17-inch figure means the tire is designed for a 17-inch wheel, while its approximately 26.3-inch overall diameter shows how tall the complete tire is.

P235/50R17 in Inches: All Measurements

• Width: Approx. 9.3 inches
• Sidewall Height: Approx. 4.6 inches
• Wheel Diameter: 17 inches
• Overall Diameter: Approx. 26.3 inches
• Circumference: Approx. 82.5 inches

P235/50R17 Alternative Tire Sizes

Drivers comparing alternatives to P235/50R17 also research P225/50R17 and P245/45R17. P225/50R17 is narrower and slightly shorter than P235/50R17, while P245/45R17 is wider but also shorter because of its lower aspect ratio. Both have overall diameters relatively close to P235/50R17 and remain within the usual ±3% diameter guideline, but neither result proves interchangeability. Wheel width, load capacity, clearance, and vehicle requirements still need verification. The ±3% tire-size guide explains how overall diameter fits into a complete size comparison.

P235/50R17 vs P225/50R17

P225/50R17 has an overall diameter approximately 1.50% smaller than P235/50R17, which is within the ±3% diameter guideline.

• Width Difference: P225/50R17 is 10 mm narrower than P235/50R17.
• Diameter Difference: P225/50R17 is approximately 0.39 inches smaller in overall diameter, a 1.50% difference from P235/50R17.
• Interchangeability: The P225/50R17 diameter difference is within ±3% of P235/50R17, but that result alone does not establish complete interchangeability. Wheel width, load capacity, clearance, and vehicle requirements still need to be checked.
• Practical Difference: P225/50R17 reduces nominal section width by 10 mm and has a slightly shorter sidewall and overall diameter than P235/50R17.

P235/50R17 vs P245/45R17

P245/45R17 has an overall diameter approximately 2.17% smaller than P235/50R17, which is within the ±3% diameter guideline.

• Width Difference: P245/45R17 is 10 mm wider than P235/50R17.
• Diameter Difference: P245/45R17 is approximately 0.57 inches smaller in overall diameter, a 2.17% difference from P235/50R17.
• Interchangeability: The P245/45R17 diameter difference is within ±3% of P235/50R17, but that result alone does not establish complete interchangeability. Wheel width, load capacity, clearance, and vehicle requirements still need to be checked.
• Practical Difference: P245/45R17 increases nominal section width by 10 mm but uses a shorter sidewall, making its overall diameter slightly smaller than P235/50R17.