2015 Ford F-250 Super Duty — Tire Size & Pressure

Quick answer

• OEM Tire Size: 245/75R17 (XL, XLT), 275/70R18 (Lariat, King Ranch, Platinum)
• Recommended Cold Tire Pressure (door placard):
  • 245/75R17: Front 60 PSI, Rear 60 PSI
  • 275/70R18: Front 65 PSI, Rear 65 PSI
• Bolt Pattern: 8x170mm
• Wheel Size: 17x8.0" or 18x8.0"
• Load Index/Speed Rating: Load E (121/118S or 126/123R depending on size)
• Spare Tire Size: Matches OEM tire size
• TPMS Frequency: 315 MHz

Tire sizes by trim

Note: Larger tire sizes may require modifications to suspension or fender wells.

Recommended replacement tires

When it's time for new tires on your 2015 F-250 Super Duty, you'll want to consider durable, all-terrain, or highway-terrain options that can handle heavy loads and varying road conditions. Here are a few popular choices across different price tiers:

• BFGoodrich All-Terrain T/A KO2 (Premium): These are a classic for a reason. Excellent traction on and off-road, long-lasting tread life, and robust sidewalls. Expect to pay $280 - $350+ per tire, depending on size.
• Cooper Discoverer AT3 XLT (Mid-Range): A great all-around tire offering a balance of off-road capability, on-road comfort, and good treadwear. A solid choice for those who tow and haul frequently. Prices typically range from $220 - $280 per tire.
• Firestone Transforce HT2 (Value/Highway): If your F-250 spends most of its time on the pavement or towing, these highway-terrain tires offer good durability, stable handling, and a comfortable ride at a more accessible price point. Expect to pay around $180 - $240 per tire.

When to inflate to max load psi

For heavy-duty trucks like the 2015 Ford F-250 Super Duty, the "recommended cold tire pressure" found on your door placard is designed for normal driving conditions and typical loads. However, the tires themselves have a maximum inflation pressure, often stamped on the sidewall, which is typically higher than the door placard recommendations. This maximum pressure is only to be used when you are carrying or towing the maximum allowable load for your vehicle, as specified in your owner's manual and on your vehicle's Gross Vehicle Weight Rating (GVWR) and Gross Combined Weight Rating (GCWR) stickers. Inflating to max load PSI when unloaded can lead to a harsh ride, premature tire wear, and reduced traction. Always refer to your owner's manual for specific guidelines on adjusting tire pressure for varying loads.

Lug nut torque & pattern

It is crucial to properly torque your lug nuts to ensure your wheels are securely fastened. For the 2015 Ford F-250 Super Duty, the recommended lug nut torque spec is typically 165 lb-ft (224 Nm). Always use a torque wrench to tighten lug nuts, and follow a star or criss-cross pattern to ensure even seating of the wheel. This prevents any single stud from bearing too much load and helps to keep the wheel properly centered. After driving approximately 50-100 miles on newly installed wheels, it's a good practice to re-check the lug nut torque to ensure they haven't loosened.

Common tire issues for this vehicle

• Rapid or Uneven Tread Wear: Due to the F-250's weight and towing capabilities, rapid or uneven tread wear can occur if tire pressure is not maintained correctly, or if alignment is out of spec. Front tires often wear on the outer edges if tire pressure is consistently too low, while high pressure can lead to center wear. Regular rotation and alignment checks are critical.
• Cupping or Scalloping: This wavy wear pattern is often an indication of worn suspension components (shocks, ball joints) or an unbalanced tire. It can lead to increased road noise and reduced ride comfort.
• Road Noise: Aggressive all-terrain tires, while offering excellent traction, can produce more road noise than highway-terrain tires. If you notice a sudden increase in road noise, it could also be a sign of uneven tire wear or a failing wheel bearing.
• TPMS Malfunctions: The TPMS system in the 2015 F-250 generally operates reliably, but sensors can fail due to battery depletion or physical damage. This will usually trigger a warning light on your dashboard.

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