Heavy Load / Towing
GMC Sierra 1500 — Heavy Load / Towing Tire Pressure
For heavy load / towing use on the GMC Sierra 1500, set cold pressures to 38 PSI front and 40 PSI rear.
Heavy Load / Towing cold pressure
Front
38
262 kPa
+3 vs OEM
Rear
40
276 kPa
+5 vs OEM
OEM spec
35/35 PSI
Tire size
265/65R18
Curb weight
2,140 kg
Category
pickup
When loaded to GVWR or towing, increase rear PSI more than front to keep the load-carrying capacity within spec.
Community-tuned pressures based on OEM spec + typical use-case deltas. Always verify against your door-jamb sticker for your exact trim and load rating. Minimum safe pressure is 24 PSI for most passenger tires.
Other setups for this Sierra 1500
FAQ
Frequently asked
- What tire pressure should I use for load driving in the GMC Sierra 1500?
- For heavy load / towing use on the GMC Sierra 1500, set cold pressures to 38 PSI front and 40 PSI rear. When loaded to GVWR or towing, increase rear PSI more than front to keep the load-carrying capacity within spec.
- What is the OEM tire pressure for the GMC Sierra 1500?
- The factory cold pressure spec for the 2019–2024 GMC Sierra 1500 is 35 PSI front / 35 PSI rear. Always use the door-jamb sticker for your specific trim.
- What about towing with the GMC Sierra 1500?
- Towing or carrying heavy loads shifts weight rearward. Using 38 PSI front / 40 PSI rear keeps load-carrying capacity within spec and prevents rear sidewall overheating.
- What is 38 PSI in bar or kPa?
- 38 PSI = 2.6 bar = 262 kPa. The rear 40 PSI = 2.8 bar.
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