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All You Need To Know About P255/70R17 Tire Size

P255/70R17 has a 255 mm section width, a 70% aspect ratio, fits a 17-inch wheel, has an overall diameter of approximately 31.1 inches, and has a sidewall approximately 7.0 inches high. P255/70R17 is a P-metric passenger tire designation. NeoTires also lists the same numerical dimensions as 255/70R17; the different designation should still be checked against the vehicle's required tire specification rather than treated as automatically interchangeable.

P255/70R17 Size Quick Specs

What Vehicles Use P255/70R17 Tires?

P255/70R17 is documented as a factory/OE tire size on the verified vehicle applications below.

• Chevrolet Silverado 1500
• Ford F-150

To check whether the P255/70R17 tire size is a factory fitment for your specific vehicle, use our VIN lookup tool.

P255/70R17 Dimensions in Inches

The P255/70R17 tire size is approximately 10.0 inches wide, 31.1 inches tall overall, with a sidewall approximately 7.0 inches high. For P255/70R17, the 17-inch figure identifies the wheel diameter the tire is designed to fit, while the overall diameter represents the approximate complete tire height.

P255/70R17 in Inches: All Measurements

• Section Width: Approx. 10.0 inches
• Sidewall Height: Approx. 7.0 inches
• Rim Diameter: 17 inches
• Overall Diameter: Approx. 31.1 inches
• Circumference: Approx. 97.6 inches

P255/70R17 Alternative Tire Sizes

P255/70R17 is commonly compared with P265/65R17 and P265/70R17. P265/65R17 is 10 mm wider but has a shorter sidewall, so its overall diameter remains relatively close to P255/70R17. P265/70R17 is also 10 mm wider but retains the 70% aspect ratio, making its overall diameter slightly larger while still relatively close. Both comparisons remain within the ±3% diameter guideline, but that guideline is only a starting point and does not by itself establish interchangeability.

P255/70R17 vs P265/65R17

P265/65R17 has an overall diameter approximately 1.58% smaller than P255/70R17, which is within the commonly used ±3% diameter guideline.

• Width Difference: P265/65R17 is 10 mm wider than P255/70R17.
• Diameter Difference: P265/65R17 is approximately 0.5 inches smaller in overall diameter than P255/70R17, a difference of 1.58%.
• Interchangeability: The 1.58% diameter difference between P265/65R17 and P255/70R17 falls within the commonly used ±3% guideline, making interchangeability an option. Wheel width, load capacity, clearance, and vehicle requirements must still be checked.
• Practical Difference: P265/65R17 adds 10 mm of nominal section width while using a shorter sidewall than P255/70R17, resulting in a slightly smaller complete tire diameter.

P255/70R17 vs P265/70R17

P265/70R17 has an overall diameter approximately 1.77% larger than P255/70R17, which is within the commonly used ±3% diameter guideline.

• Width Difference: P265/70R17 is 10 mm wider than P255/70R17.
• Diameter Difference: P265/70R17 is approximately 0.6 inches larger in overall diameter than P255/70R17, a difference of 1.77%.
• Interchangeability: The 1.77% diameter difference between P265/70R17 and P255/70R17 falls within the commonly used ±3% guideline, allowing for interchangeability without major issues. Wheel width, load capacity, clearance, and vehicle requirements must still be checked.
• Practical Difference: P265/70R17 is 10 mm wider than P255/70R17 and keeps the same 70% aspect ratio, producing a taller sidewall and slightly larger overall diameter.