Keeping your GMC Sierra 1500 Classic tires properly inflated is an essential maintenance chore for any driver. Allowing your tires to become underinflated not only is unsafe, it can decrease their lifespan, negatively impacting your vehicle’s performance and fuel efficiency. To ensure optimal performance and safety, make sure that you check the air pressure in each tire regularly using an accurate tire gauge.

Your owner’s manual will recommend a specific psi setting for regular driving conditions. It’s important to remember that factors like altitude, temperature, and weight distribution can cause the ideal psi level to fluctuate; be sure to adjust accordingly. When topping off the pressure in your tires, don’t forget the spare! Whatever you do, never exceed the maximum suggested amount of air pressure as this could have dire consequences on both performance and safety.

There are six different trim levels available for the GMC Sierra 1500 Classic, and there are five different stock tire sizes. To determine the correct tire pressure for your specific GMC Sierra 1500 Classic, you should consult the owner’s manual or the tire information placard located on the driver’s side door jamb. This information will provide you with the recommended tire pressure range for your vehicle, based on the tire size and year of purchase.

Maintaining the correct tire pressure in your GMC Sierra 1500 Classic is important, as underinflated or overinflated tires can affect the handling, braking, and fuel economy of your vehicle. Regularly checking and adjusting your tire pressure can help ensure your GMC Sierra 1500 Classic is safe and efficient to drive.

Units of pressure
  • PSI – pounds per square inch (lbf/in2). 10 psi = 68.95 kPa/0.6895 bar
  • BAR – one bar nearly equal to one atmosphere. 1 bar = 100 kPa/14.504 psi
  • KPA – kilopascals is a metric unit of pressure. 100 kPa = 1 bar/14.504 psi

GMC Sierra 1500 Classic has been equipped with a tire pressure monitoring system (TPMS).

GMC Sierra 1500 Classic tire pressure information

The values of the tire pressure for 2007 GMC Sierra 1500 Classic is 31P/2.14B/214K to 36P/2.48B/248K for front and 31P/2.14B/214K to 36P/2.48B/248K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
235/75 R16 106S 36P/2.48B/248K 36P/2.48B/248K
245/70 R17 108S 36P/2.48B/248K 36P/2.48B/248K
245/75 R16 109S 36P/2.48B/248K 36P/2.48B/248K
265/70 R17 113S 31P/2.14B/214K 31P/2.14B/214K
275/55 R20 111S 31P/2.14B/214K 31P/2.14B/214K

GMC Sierra 1500 Classic trim to see its original equipment tire sizes and corresponding tire inflation pressures.

Tire Pressure for GMC Sierra 1500 Classic Denali

Approved tire pressure for trim level: GMC Sierra 1500 Classic Denali is 31P/2.14B/214K for front and 31P/2.14B/214K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
265/70 R17 113S 31P/2.14B/214K 31P/2.14B/214K
275/55 R20 111S 31P/2.14B/214K 31P/2.14B/214K

Tire Pressure for GMC Sierra 1500 Classic Hybrid

Approved tire pressure for trim level: GMC Sierra 1500 Classic Hybrid is 36P/2.48B/248K for front and 36P/2.48B/248K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
235/75 R16 106S 36P/2.48B/248K 36P/2.48B/248K
245/75 R16 109S 36P/2.48B/248K 36P/2.48B/248K

Tire Pressure for GMC Sierra 1500 Classic SL

Approved tire pressure for trim level: GMC Sierra 1500 Classic SL is 31P/2.14B/214K to 36P/2.48B/248K for front and 31P/2.14B/214K to 36P/2.48B/248K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
245/70 R17 108S 36P/2.48B/248K 36P/2.48B/248K
265/70 R17 113S 31P/2.14B/214K 31P/2.14B/214K

Tire Pressure for GMC Sierra 1500 Classic SLE

Approved tire pressure for trim level: GMC Sierra 1500 Classic SLE is 31P/2.14B/214K to 36P/2.48B/248K for front and 31P/2.14B/214K to 36P/2.48B/248K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
245/70 R17 108S 36P/2.48B/248K 36P/2.48B/248K
265/70 R17 113S 31P/2.14B/214K 31P/2.14B/214K
275/55 R20 111S 31P/2.14B/214K 31P/2.14B/214K

Tire Pressure for GMC Sierra 1500 Classic SLT

Approved tire pressure for trim level: GMC Sierra 1500 Classic SLT is 31P/2.14B/214K to 36P/2.48B/248K for front and 31P/2.14B/214K to 36P/2.48B/248K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
245/70 R17 108S 36P/2.48B/248K 36P/2.48B/248K
265/70 R17 113S 31P/2.14B/214K 31P/2.14B/214K
275/55 R20 111S 31P/2.14B/214K 31P/2.14B/214K

Tire Pressure for GMC Sierra 1500 Classic WT

Approved tire pressure for trim level: GMC Sierra 1500 Classic WT is 31P/2.14B/214K to 36P/2.48B/248K for front and 31P/2.14B/214K to 36P/2.48B/248K for rear.

Approved tire size Tire Pressure
Front PSI (P)/Bar (B)/kPa (K) Rear PSI (P)/Bar (B)/kPa (K)
245/70 R17 108S 36P/2.48B/248K 36P/2.48B/248K
265/70 R17 113S 31P/2.14B/214K 31P/2.14B/214K
275/55 R20 111S 31P/2.14B/214K 31P/2.14B/214K

Approved tire pressure for trim level: GMC Sierra 1500 Classic original equipment tire sizes with matching trims and model years.

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