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All You Need To Know About LT265/65R17 Tire Size

LT265/65R17 has a 265 mm section width, a 65% aspect ratio, fits a 17-inch wheel, and has a calculated overall diameter of approximately 30.6 inches with a sidewall approximately 6.8 inches high. The LT prefix identifies LT265/65R17 as an LT-metric Light Truck tire size. The numerical dimensions are shared with 265/65R17, but the two designations follow different load and inflation standards and are not automatically interchangeable. See the LT tire designation and load-requirement guide for additional details.

LT265/65R17 Size Quick Specs

What Vehicles Use LT265/65R17 Tires?

LT265/65R17 is documented by a major tire retailer as an aftermarket fitment for select configurations of the vehicles listed below, rather than as a verified factory/OE application for every model or trim.

• Chevrolet Colorado
• Nissan Frontier
• Toyota Tacoma
• Toyota 4Runner
• Jeep Wrangler
• Ford Bronco

Installing LT265/65R17 as an aftermarket fitment requires confirming the permitted wheel width, required load capacity and inflation pressure, tire clearance, and vehicle-specific requirements. An aftermarket wheel fitment check should also account for wheel diameter, width, offset, bolt pattern, center bore, and brake clearance.

LT265/65R17 Dimensions in Inches

The LT265/65R17 tire size is approximately 10.4 inches wide, 30.6 inches tall overall, with a sidewall approximately 6.8 inches high. The 17-inch measurement identifies the wheel diameter LT265/65R17 is designed to fit, while the sidewall measurement represents the approximate distance between the wheel and the outer tread diameter.

LT265/65R17 Tire Size Measurements

• Section Width: Approx. 10.4 inches
• Sidewall Height: Approx. 6.8 inches
• Overall Diameter: Approx. 30.6 inches
• Circumference: Approx. 96.0 inches
• Wheel Diameter: 17 inches

LT265/65R17 Alternative Tire Sizes

Drivers comparing alternatives to LT265/65R17 commonly consider LT265/70R17 and LT245/70R17. LT265/70R17 retains the same nominal width but has a taller sidewall. LT245/70R17 is narrower, but its taller aspect ratio keeps its overall diameter relatively close to LT265/65R17. These measurements provide a useful starting point, but dimensional comparison alone does not establish interchangeability. The ±3% tire-size guideline must be considered alongside wheel, load, clearance, and vehicle requirements.

LT265/65R17 vs LT265/70R17

LT265/70R17 is approximately 3.41% larger in overall diameter than LT265/65R17, placing the comparison outside the commonly used ±3% guideline for passenger cars, yet acceptable for light trucks.

• Width Difference: LT265/70R17 and LT265/65R17 have the same nominal 265 mm section width.
• Diameter Difference: LT265/70R17 is approximately 1.04 inches taller than LT265/65R17, a 3.41% increase in overall diameter.
• Interchangeability: While this swap exceeds the passenger car standard, LT265/70R17 falls safely within the 5% maximum threshold recommended for light trucks. It is considered a practical and common aftermarket upsize. Because the width does not change, physical clearance issues or fender rubbing are highly unlikely on stock truck suspensions. 
• Practical Difference: LT265/70R17 keeps the width of LT265/65R17 but adds approximately 0.52 inches of sidewall height on each side of the wheel.
• Alternative Option: If you require a replacement tire that matches the original height of the LT265/65R17 almost perfectly, LT245/70R17 is a closer match. It has a minuscule 0.17% overall diameter difference, though it sacrifices about 20 mm of section width.

LT265/65R17 vs LT245/70R17

LT245/70R17 is approximately 0.17% smaller in overall diameter than LT265/65R17, placing the comparison within the commonly used ±5% guideline for light trucks.

• Width Difference: LT245/70R17 is 20 mm narrower than LT265/65R17.
• Diameter Difference: LT245/70R17 is approximately 0.05 inches shorter than LT265/65R17, a 0.17% decrease in overall diameter.
• Interchangeability: The diameter difference between LT245/70R17 and LT265/65R17 falls within the commonly used ±5% guideline for light trucks, but this alone does not confirm interchangeability. Wheel width, load capacity, clearance, and vehicle requirements must still be checked.
• Practical Difference: LT245/70R17 is narrower than LT265/65R17 while retaining an almost identical calculated overall diameter.