What PSI Should My Tires Be?
Quick answer: what PSI should my tires be?
Your correct tire PSI is usually listed on the sticker inside the driver-side door jamb or in your owner manual. For everyday driving, use that vehicle recommendation, not the larger number printed on the tire sidewall, which is usually a maximum pressure rating rather than your normal target.
The right PSI for your tires is not a universal number. It depends on your vehicle, tire size, load, and manufacturer recommendation. The safest starting point is the tire information placard on your vehicle, usually inside the driver-side door jamb.
Where to find recommended PSI
Open the driver door and look for a sticker or placard that lists front and rear tire pressure. Some vehicles use the same PSI for all four tires. Others list different pressure for front and rear tires. Your owner manual usually includes the same information.
Use the door placard, not the tire sidewall
The number printed on the tire sidewall is usually a maximum pressure rating, not the recommended everyday driving pressure for your vehicle. For normal use, follow the vehicle placard unless a qualified technician tells you otherwise.
Check pressure when tires are cold
Tire pressure rises as tires heat up from driving. For the most consistent reading, check when the car has been parked for a few hours or before a long drive. If you must add air when tires are warm, recheck later when they are cold.
Why tire pressure changes
Pressure can drop with cold weather, slow leaks, valve issues, or normal air loss over time. A tire pressure light after the first cold morning of the season is common, but you should still check all tires rather than assuming it is just temperature.
How a portable inflator helps
Once you know your target PSI, a portable inflator with auto-stop can make routine top-offs simpler. Set the pressure, attach the hose, start inflation, and let the inflator stop at the selected PSI.
GloveBox Air Pro includes a digital pressure display and auto-stop for everyday top-offs.
Common questions
Should I use the PSI on the tire sidewall?
Usually no. The sidewall number is commonly a maximum rating. For normal driving, start with the vehicle manufacturer recommendation on the driver-side door sticker.
Should I check tire pressure cold or warm?
Cold pressure is the cleanest reading. If you add air after driving, recheck later when the tires are cold if possible.
Updated June 2026.
Find the right tire PSI for your car, why cold tire pressure matters, and how to avoid guessing when the tire pressure light comes on.