2023 Chevrolet Suburban — Tire Size & Pressure

Quick answer

• OEM Tire Size: 265/65R18, 275/60R20, 275/50R22
• Recommended Cold Tire Pressure (Door Placard): 36 PSI (all tires)
• Bolt Pattern: 6x139.7mm
• Wheel Size: 18x8.5", 20x9", 22x9"
• Load Index/Speed Rating: 116H, 117S, 117T, 118S (varies by tire size and trim)
• Spare Tire Size: Full-size spare, often matching the smallest OEM wheel diameter (e.g., 265/70R17 or 265/65R18)
• TPMS Frequency: 315 MHz

Tire sizes by trim

Recommended replacement tires

When it's time for new tires on your 2023 Chevrolet Suburban, you have a wide array of excellent choices to ensure comfort, performance, and safety. Here are a few popular options across different price tiers:

• Michelin Defender LTX M/S (Premium): A top-rated all-season truck and SUV tire, known for its exceptional longevity, quiet ride, and excellent wet and dry traction. Expect to pay around $250-$350 per tire, depending on the size.
• Goodyear Wrangler SR-A (Mid-Range): A common OEM tire for many trucks and SUVs, offering a good balance of all-season performance and a comfortable ride. These typically range from $180-$280 per tire.
• Falken Wildpeak A/T3W (Value/All-Terrain): If you occasionally venture off-road or want a more aggressive look without sacrificing on-road manners, the Wildpeak A/T3W is a fantastic choice. It offers impressive performance in various conditions, including light snow. Prices usually fall between $160-$260 per tire.

When to inflate to max load psi

Unlike heavy-duty trucks (like the Silverado 2500/3500), the 2023 Chevrolet Suburban is a light-duty vehicle. You should generally stick to the recommended cold tire pressure listed on your driver's side door placard, which is 36 PSI for all four tires. This pressure is designed to provide the optimal balance of ride comfort, handling, fuel efficiency, and tire longevity for normal driving conditions and typical loads.

Inflating your Suburban's tires to the "max PSI" indicated on the tire's sidewall is generally not recommended for everyday driving. The max PSI on the sidewall is the maximum pressure the tire itself can safely hold, not necessarily the ideal pressure for your specific vehicle. Overinflating can lead to:

• A harsher, less comfortable ride
• Reduced traction due to a smaller contact patch with the road
• Uneven tire wear (center of the tread wears faster)
• Increased susceptibility to tire damage from impacts

Only consider slightly increasing tire pressure within a few PSI of the recommended placard pressure if you are consistently carrying extremely heavy loads, towing near the vehicle's maximum capacity, and experiencing tire bulging or instability. Even then, consult your owner's manual or a tire professional to avoid overinflation.

Lug nut torque & pattern

The lug nuts on your 2023 Chevrolet Suburban should be torqued to 140 lb-ft (190 Nm). It is crucial to use a torque wrench to ensure proper and even tightening. Always follow a star or criss-cross pattern when tightening lug nuts. This ensures even pressure distribution across the wheel hub, preventing wobbles, vibrations, and potential damage to the wheel or hub.

After driving approximately 50-100 miles after a wheel removal or tire rotation, it's a good idea to re-check the lug nut torque to ensure they remain properly seated.

Common tire issues for this vehicle

The 2023 Chevrolet Suburban, being a large and capable SUV, can encounter some common tire issues, many of which are exacerbated by improper maintenance:

• Uneven Wear: Primarily due to improper tire pressure, lack of regular rotations, or alignment issues. If your tires are wearing more on the edges (underinflation) or in the center (overinflation), adjust your pressure. If you notice feathering or cupping, an alignment or suspension inspection may be necessary.
• Cupping/Scalloping: Often a sign of worn shock absorbers or other suspension components. This irregular wear pattern can lead to increased road noise and a rougher ride.
• Hydroplaning: While modern tires are designed to resist hydroplaning, large SUVs like the Suburban have a substantial contact patch. Worn-out tires with shallow tread depths will be more prone to hydroplaning in heavy rain, significantly reducing control.
• Road Noise: As tires wear, or if you opt for a more aggressive tread pattern, road noise can increase. Ensuring proper inflation and regular rotations can help mitigate this, but sometimes it's just a characteristic of the tire type.
• TPMS Malfunctions: The Tire Pressure Monitoring System (TPMS) helps you maintain safe tire pressures. While generally reliable (315 MHz frequency), sensors can occasionally fail due to battery depletion (typically after 7-10 years) or damage during tire service. A flashing TPMS light usually indicates a system malfunction rather than just low pressure.

Regular tire inspections, rotations every 5,000-7,500 miles, and maintaining correct tire pressure are key to maximizing tire life and ensuring safe driving for your Suburban.

Need new tires? Find a trusted shop on Repairius.