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Before choosing P215/40R17 tires, match the vehicle-required load index, speed rating, and any applicable load or designation requirements.

All You Need To Know About P215/40R17 Tire Size

The P215/40R17 tire size has a 215 mm section width, a 40% aspect ratio, and fits a 17-inch wheel diameter, giving P215/40R17 a calculated overall diameter of approximately 23.8 inches and a calculated sidewall height of approximately 3.4 inches.

The "P" in P215/40R17 identifies the P-metric passenger service description, while the "R" indicates radial internal construction. Because P215/40R17 pairs a 215 mm width with a 40% aspect ratio, the resulting sidewall is short relative to the tire's width. P215/40R17 Size Quick Specs

SpecificationValue
Internal ConstructionRadial
Service Description ApplicationP stands for Passenger car
Rim Width Range6.5" – 7.5"
Section Width215 mm
Aspect Ratio40%
Rim Diameter17 inches
Circumference74.7" (1897 mm)
Revolutions Per Mile849

What Vehicles Use P215/40R17?

The P215/40R17 tire size is documented in this exact size on the following vehicle:

  • Acura NSX (2002–2005, front axle)

To check whether the P215/40R17 tire size is a factory fitment for your specific vehicle, use our VIN lookup tool.

P215/40R17 Dimensions in Inches

The P215/40R17 tire size is approximately 8.5 inches wide, 23.8 inches tall overall, with a sidewall approximately 3.4 inches high.

In inch terms, P215/40R17 combines an 8.5-inch section width with a short 3.4-inch sidewall, which is what produces the tire's low 23.8-inch overall diameter on a 17-inch wheel. Because the sidewall portion of P215/40R17 is a small share of the total tire height, small variations in wheel width have a more direct effect on the tire's profile shape than they would on a taller-sidewall size.

P215/40R17 in Inches: All Measurements

  • Width: approximately 8.5 inches (215 mm)
  • Sidewall Height: approximately 3.4 inches (86 mm)
  • Wheel Diameter: 17 inches
  • Overall Diameter: 23.77 inches (approximately 23.8 inches)
  • Circumference: 74.68 inches (approximately 74.7 inches)

Comparison of P215/40R17 With Alternative Tire Sizes

P215/40R17 is compared here with two alternatives selected for documented reasons rather than numerical proximity: P235/35R17, which is presented as a plus-size alternative to P215/40R17 within the ±3% diameter guideline, and 255/40R17, the documented staggered rear-axle tire size paired with P215/40R17 on the Acura NSX (2002–2005). Against P215/40R17's calculated 23.77-inch overall diameter, P235/35R17 calculates to approximately 23.48 inches, while 255/40R17 calculates to approximately 25.03 inches.

Difference Between P215/40R17 and P235/35R17 Tire Sizes

P235/35R17 is a dimensional alternative to P215/40R17, with a calculated overall-diameter difference of approximately -1.24%, which is within the ±3% guideline.

  • Width Difference: P235/35R17 is 20 mm wider than P215/40R17 (235 mm vs. 215 mm).
  • Diameter Difference: P215/40R17 is approximately 0.30 inches taller in overall diameter than P235/35R17, a difference of about 1.24%.
  • Interchangeability: At approximately 1.24%, the diameter difference passes the ±3% diameter guideline, which makes P235/35R17 dimensionally eligible for consideration under that guideline, not automatically interchangeable with P215/40R17. Wheel-width compatibility, load capacity, clearance, and vehicle-specific requirements must still be verified with a tire professional.
  • Practical Difference: P235/35R17 has a wider section width and a shorter sidewall than P215/40R17, resulting in a slightly smaller overall diameter and a lower-profile tire footprint.

Difference Between P215/40R17 and 255/40R17 Tire Sizes

255/40R17 is a dimensional alternative to P215/40R17, with a calculated overall-diameter difference of approximately +5.30%, which is outside the ±3% guideline.

  • Width Difference: 255/40R17 is 40 mm wider than P215/40R17 (255 mm vs. 215 mm).
  • Diameter Difference: 255/40R17 is approximately 1.26 inches taller in overall diameter than P215/40R17, a difference of about 5.30%.
  • Interchangeability: At approximately 5.30%, the diameter difference does not pass the ±3% diameter guideline, so 255/40R17 is not a direct replacement for P215/40R17 under that guideline.
  • Practical Difference: 255/40R17 has a significantly wider section width and a taller overall diameter than P215/40R17, requiring greater wheel-well and fender clearance.

All You Need To Know About P215/40R17 Tire Size

The P215/40R17 tire size has a 215 mm section width, a 40% aspect ratio, and fits a 17-inch wheel diameter, giving P215/40R17 a calculated overall diameter of approximately 23.8 inches and a calculated sidewall height of approximately 3.4 inches.

The "P" in P215/40R17 identifies the P-metric passenger service description, while the "R" indicates radial internal construction. Because P215/40R17 pairs a 215 mm width with a 40% aspect ratio, the resulting sidewall is short relative to the tire's width. P215/40R17 Size Quick Specs

SpecificationValue
Internal ConstructionRadial
Service Description ApplicationP stands for Passenger car
Rim Width Range6.5" – 7.5"
Section Width215 mm
Aspect Ratio40%
Rim Diameter17 inches
Circumference74.7" (1897 mm)
Revolutions Per Mile849

What Vehicles Use P215/40R17?

The P215/40R17 tire size is documented in this exact size on the following vehicle:

  • Acura NSX (2002–2005, front axle)

To check whether the P215/40R17 tire size is a factory fitment for your specific vehicle, use our VIN lookup tool.

P215/40R17 Dimensions in Inches

The P215/40R17 tire size is approximately 8.5 inches wide, 23.8 inches tall overall, with a sidewall approximately 3.4 inches high.

In inch terms, P215/40R17 combines an 8.5-inch section width with a short 3.4-inch sidewall, which is what produces the tire's low 23.8-inch overall diameter on a 17-inch wheel. Because the sidewall portion of P215/40R17 is a small share of the total tire height, small variations in wheel width have a more direct effect on the tire's profile shape than they would on a taller-sidewall size.

P215/40R17 in Inches: All Measurements

  • Width: approximately 8.5 inches (215 mm)
  • Sidewall Height: approximately 3.4 inches (86 mm)
  • Wheel Diameter: 17 inches
  • Overall Diameter: 23.77 inches (approximately 23.8 inches)
  • Circumference: 74.68 inches (approximately 74.7 inches)

Comparison of P215/40R17 With Alternative Tire Sizes

P215/40R17 is compared here with two alternatives selected for documented reasons rather than numerical proximity: P235/35R17, which is presented as a plus-size alternative to P215/40R17 within the ±3% diameter guideline, and 255/40R17, the documented staggered rear-axle tire size paired with P215/40R17 on the Acura NSX (2002–2005). Against P215/40R17's calculated 23.77-inch overall diameter, P235/35R17 calculates to approximately 23.48 inches, while 255/40R17 calculates to approximately 25.03 inches.

Difference Between P215/40R17 and P235/35R17 Tire Sizes

P235/35R17 is a dimensional alternative to P215/40R17, with a calculated overall-diameter difference of approximately -1.24%, which is within the ±3% guideline.

  • Width Difference: P235/35R17 is 20 mm wider than P215/40R17 (235 mm vs. 215 mm).
  • Diameter Difference: P215/40R17 is approximately 0.30 inches taller in overall diameter than P235/35R17, a difference of about 1.24%.
  • Interchangeability: At approximately 1.24%, the diameter difference passes the ±3% diameter guideline, which makes P235/35R17 dimensionally eligible for consideration under that guideline, not automatically interchangeable with P215/40R17. Wheel-width compatibility, load capacity, clearance, and vehicle-specific requirements must still be verified with a tire professional.
  • Practical Difference: P235/35R17 has a wider section width and a shorter sidewall than P215/40R17, resulting in a slightly smaller overall diameter and a lower-profile tire footprint.

Difference Between P215/40R17 and 255/40R17 Tire Sizes

255/40R17 is a dimensional alternative to P215/40R17, with a calculated overall-diameter difference of approximately +5.30%, which is outside the ±3% guideline.

  • Width Difference: 255/40R17 is 40 mm wider than P215/40R17 (255 mm vs. 215 mm).
  • Diameter Difference: 255/40R17 is approximately 1.26 inches taller in overall diameter than P215/40R17, a difference of about 5.30%.
  • Interchangeability: At approximately 5.30%, the diameter difference does not pass the ±3% diameter guideline, so 255/40R17 is not a direct replacement for P215/40R17 under that guideline.
  • Practical Difference: 255/40R17 has a significantly wider section width and a taller overall diameter than P215/40R17, requiring greater wheel-well and fender clearance.

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