P255/40R18 Tire Pressure Chart

Proper tire load capacity at specified tire inflation pressures for P255/40R18 tires.

P255/40R18 is a P-Metric tire size that comes with 2 tire load index and load range options.

Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi (SL) 38 psi (XL) 41 psi 42 psi
P255/40R18
90 LL
1135 lbs 1201 lbs 1257 lbs 1323 lbs Show Specs
P255/40R18
95 SL
1168 lbs 1268 lbs 1378 lbs 1477 lbs 1521 lbs Show Specs

P255/40R18 90 LL is a Light Load tire with tire load index of 90 and maximum tire load capacity of 1323 lbs @ 35 psi.

Calculate proper tire load capacity for P255/40R18 90 LL tire within inflation range of 26 psi to 35 psi. Inflating P255/40R18 90 LL tire over 35 psi will not increase its maximum load carrying capacity of 1323 pounds.

When replacing vehicle's original equipment tires with P255/40R18 90 LL tire, calculate proper replacement tire inflation based on original tire's load capacity at its recommended tire pressure. Never overload P255/40R18 90 LL tire above its maximum load capacity of 1323 lbs.

Original Tire
is LT-Metric

P255/40R18 95 SL is a Standard Load tire with tire load index of 95 and maximum tire load capacity of 1521 lbs @ 36 psi.

Calculate proper tire load capacity for P255/40R18 95 SL tire within inflation range of 26 psi to 36 psi. Inflating P255/40R18 95 SL tire over 36 psi will not increase its maximum load carrying capacity of 1521 pounds.

When replacing vehicle's original equipment tires with P255/40R18 95 SL tire, calculate proper replacement tire inflation based on original tire's load capacity at its recommended tire pressure. Never overload P255/40R18 95 SL tire above its maximum load capacity of 1521 lbs.

Original Tire
is LT-Metric

All listed data is for informational purposes only. TirePsi.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information. Always refer to vehicle owner's manual for recommended tire pressure settings. Never overinflate or overload a tire beyond its maximum capabilities listed on sidewall. For individual tire size, refer to its load and inflation table.

Tires with P255/40R18 tire size

No available tire models with P255/40R18 tire size.

Vehicles with P255/40R18 tire size

No available vehicles with P255/40R18 as original equipment tire size.