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What is the Difference Between 295/75R22.5 and 11R22.5 Tires?

When selecting commercial truck tires, understanding sizing codes like 295/75R22.5 and 11R22.5 is crucial for optimal performance. These two popular tire specifications may look similar at first glance, but critical differences affect vehicle compatibility, load capacity, and driving applications. Let’s break down the key distinctions to help you make informed decisions.

1. Tire Sizing Decoded

The primary difference lies in their measurement systems:

  • 295/75R22.5 uses metric sizing:
    • 295: Section width in millimeters (11.6 inches)
    • 75: Aspect ratio (height is 75% of width)
    • R: Radial construction
    • 22.5: Wheel diameter in inches
  • 11R22.5 follows inch-based sizing:
    • 11: Approximate section width in inches
    • R: Radial construction
    • 22.5: Wheel diameter in inches

2. Physical Dimension Comparison

While both fit 22.5-inch rims, their profiles differ significantly:

Specification295/75R22.511R22.5
Section Width295mm (11.6″)279mm (11.0″)
Overall Diameter~41.2″~40.6″
Aspect Ratio75%~88% (Standard)

The 295/75R22.5 tires offer a wider footprint and slightly larger diameter, while 11R22.5 tires feature a taller sidewall relative to their width.

3. Performance Characteristics

  • Load Capacity:
    • 295/75R22.5: Typically handles heavier loads (~7,500 lbs/tire)
    • 11R22.5: Standard load rating (~6,175 lbs/tire)
  • Fuel Efficiency:
    • The narrower 11R22.5 may provide better fuel economy
    • 295/75R22.5’s wider tread offers improved stability
  • Application Focus:
    • 295/75R22.5 GL293D ULT (view specs) excels in long-haul trucking
    • 11R22.5 GL293D ULT (see details) suits regional delivery and mixed-service vehicles

4. Compatibility Considerations

  • Wheel Well Clearance: The 295/75R22.5’s larger diameter requires adequate space
  • Speed Rating: Both maintain standard commercial vehicle limits (75-80 mph)
  • Interchangeability: Never mix sizes on dual wheel positions

5. Choosing the Right Tire

Consider these factors when deciding between 295/75R22.5 vs 11R22.5:

  • Gross vehicle weight requirements
  • Primary road conditions (highway vs urban)
  • Fuel economy priorities
  • Suspension system limitations

Pro Tip: Always consult your vehicle manufacturer’s recommendations before switching tire sizes.

FAQ Section

Q: Can I replace 11R22.5 with 295/75R22.5?
A: Only with proper clearance verification and load capacity adjustments.

Q: Which lasts longer – 295/75R22.5 or 11R22.5?
A: Both offer similar lifespans when properly maintained. The GL293D ULT models feature reinforced casings for extended mileage.

Q: Are 295/75R22.5 tires more expensive?
A: Typically 5-8% higher due to additional material, but costs balance through improved load efficiency.


Final Recommendation
For heavy-duty applications prioritizing load capacity, the 295/75R22.5 GL293D ULT is superior. If you need a versatile tire for lighter loads and urban driving, the 11R22.5 GL293D ULT offers excellent value. Always pair your selection with proper maintenance for maximum ROI.

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