2015 Chevrolet Silverado 1500: Tire Size & Specs

Quick answer

• OEM Tire Size: P255/70R17, P265/65R18, P275/55R20
• Recommended Cold Tire Pressure (Placard): 35 psi (front) / 35 psi (rear)
• Bolt Pattern: 6x139.7mm (6x5.5")
• Wheel Size: 17x8.0", 18x8.5", 20x9.0"
• Load Index / Speed Rating: 111S, 112T, 113S
• Spare Tire Size: 265/70R17
• TPMS Frequency: 315 MHz

Tire Sizes by Trim Level

The 2015 Chevrolet Silverado 1500 came with several tire and wheel packages depending on the trim level (WT, LS, LT, LTZ, High Country). Always confirm your specific size by checking the driver's side door jamb placard or the tire sidewall itself.

Recommended Replacement Tires

Choosing the right tire depends on your budget and how you use your truck. Here are a few popular, well-regarded options for the 2015 Silverado 1500 owner:

• Premium Touring/Highway: Michelin Defender LTX M/S2 - If you spend most of your time on pavement, this is one of the best tires you can buy. It offers a supremely quiet and comfortable ride, excellent wet and dry traction, and an exceptionally long tread life. It's a premium tire with a price tag to match, but the performance and longevity justify the cost.

• Mid-Tier All-Terrain: BFGoodrich All-Terrain T/A KO2 - The KO2 is an icon for a reason. It provides an excellent balance of on-road manners and off-road capability. It's a great choice for the Silverado owner who frequently ventures off-pavement, deals with snow, or simply wants a more aggressive, classic truck look. Expect a bit more road noise than a highway tire.

• Budget-Friendly Highway: Cooper Discoverer H/T - For the budget-conscious driver who doesn't want to sacrifice quality, the Discoverer H/T is a solid choice. It provides dependable all-season traction on the highway, a comfortable ride, and good value for the price.

When to Inflate to Max Load PSI

Note: This section primarily applies to Heavy Duty (2500/3500) trucks, but the principle is important for 1500 owners as well. The 35 psi listed on your door placard is for normal, unloaded driving and provides the best ride comfort and tire wear. You should only inflate your tires to the maximum pressure listed on the tire's sidewall when you are carrying a heavy load or towing a substantial trailer. Inflating to the max pressure increases the tire's stiffness and load-carrying capacity. Running max PSI without a load will result in a harsh ride, reduced traction, and accelerated wear in the center of the tread.

Lug Nut Torque & Pattern

Correctly torquing your wheels is critical for safety. Over-tightening can warp brake rotors and damage the wheel, while under-tightening can lead to a wheel coming off.

• Lug Nut Torque Spec: 140 lb-ft (190 Nm)
• Socket Size: 22mm
• Tightening Pattern: Use a star or crisscross pattern to ensure the wheel is seated evenly against the hub. Tighten the lug nuts in stages, first snugging them in sequence, then tightening to the final torque spec using a calibrated torque wrench.

Common Tire Issues for This Vehicle

• TPMS Sensor Failure: The 2015 Silverado uses 315 MHz TPMS sensors. The internal batteries in these sensors typically last 7-10 years. When a battery dies, the sensor must be replaced, which requires dismounting the tire. You may see a "Service Tire Monitor System" message on the dash.
• Uneven Wear: Like any independent front suspension truck, the Silverado can be prone to alignment issues, especially if used in rough conditions or after suspension modification (like a leveling kit). This often shows up as accelerated wear on the inner or outer edges of the front tires. Regular rotations (every 5,000-7,500 miles) and alignment checks are essential.
• Vibrations: Silverado owners sometimes report vibrations at highway speeds. While this can have many causes, it is often traced back to improper tire balancing. Due to the large size and weight of truck tires, a high-quality "road force" balance is often recommended over a standard static balance.

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