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All You Need To Know About LT275/70R17 Tire Size

LT275/70R17 has a 275 mm section width, a 70% aspect ratio, fits a 17-inch wheel, and has a calculated overall diameter of approximately 32.2 inches with a 7.6-inch sidewall. The 275/70R17 designation has the same nominal dimensions as LT275/70R17, but the LT designation identifies a Light Truck tire governed by different load and inflation requirements. LT275/70R17 and 275/70R17 should not be treated as automatically interchangeable; the vehicle’s required capacity and pressure must be checked.

LT275/70R17 Size Quick Specs

What Vehicles Use LT275/70R17 Tires?

While the LT275/70R17 is widely cataloged as a popular aftermarket upsize for vehicles like the Jeep Wrangler or Toyota Tacoma, it is also a verified factory Original Equipment (OE) size for other specific truck platforms. In the automotive industry, a tire size's classification depends entirely on the vehicle model in question. For a Jeep Wrangler, the LT275/70R17 is strictly an aftermarket modification because it never came on any factory trim. However, for specific heavy-duty vehicles like select Ford F-250 Super Duty configurations or the Dodge Ram 1500 TRX4 package, this exact size is documented as the standard factory fitment printed right on the vehicle's door jamb placard.

LT275/70R17 Dimensions in Inches

The LT275/70R17 tire size is approximately 10.8 inches wide, 32.2 inches tall overall, with a sidewall approximately 7.6 inches high. LT275/70R17 is designed for a 17-inch wheel, while its sidewall measurement represents the approximate tire height between the wheel and the outer tread diameter.

LT275/70R17 Tire Size Measurements

• Section Width: Approx. 10.8 inches
• Sidewall Height: Approx. 7.6 inches
• Overall Diameter: Approx. 32.2 inches
• Circumference: Approx. 101.0 inches
• Wheel Diameter: 17 inches

LT275/70R17 Alternative Tire Sizes

Drivers comparing LT275/70R17 alternatives frequently consider LT265/70R17 and LT285/70R17. LT265/70R17 is narrower and shorter than LT275/70R17, while LT285/70R17 is wider and taller. Both alternatives remain within the applicable ±5% LT diameter guideline and leave room for interchange after vehicle-specific checks. However, the applicable diameter guideline is only a starting point; neither comparison alone confirms complete compatibility with a particular vehicle.

LT275/70R17 vs LT265/70R17

LT265/70R17 has an overall diameter approximately 1.71% smaller than LT275/70R17, which is within the applicable ±5% LT diameter guideline.

• Width Difference: LT265/70R17 is nominally 10 mm narrower than LT275/70R17.
• Diameter Difference: LT265/70R17 is approximately 0.6 inches smaller in overall diameter than LT275/70R17, a difference of 1.71%.
• Interchangeability: The LT265/70R17 diameter difference falls within the applicable ±5% guideline for LT tire-size comparisons and leaves room for interchange with LT275/70R17. The percentage alone does not confirm complete vehicle compatibility; approved wheel-width compatibility, load capacity and load range, required inflation pressure, radial and lateral clearance, speedometer and odometer effects, gearing and drivetrain requirements, and vehicle-specific tire requirements must still be verified.
• Practical Difference: LT265/70R17 is both narrower and approximately 0.6 inches shorter overall than LT275/70R17.

LT275/70R17 vs LT285/70R17

LT285/70R17 has an overall diameter approximately 1.71% larger than LT275/70R17, which is within the applicable ±5% LT diameter guideline.

• Width Difference: LT285/70R17 is nominally 10 mm wider than LT275/70R17.
• Diameter Difference: LT285/70R17 is approximately 0.6 inches larger in overall diameter than LT275/70R17, a difference of 1.71%.
• Interchangeability: The LT285/70R17 diameter difference falls within the applicable ±5% guideline for LT tire-size comparisons and leaves room for interchange with LT275/70R17. The percentage alone does not confirm complete vehicle compatibility; approved wheel-width compatibility, load capacity and load range, required inflation pressure, radial and lateral clearance, speedometer and odometer effects, gearing and drivetrain requirements, and vehicle-specific tire requirements must still be verified.
• Practical Difference: LT285/70R17 is both wider and approximately 0.6 inches taller overall than LT275/70R17.