255/40R18 Tire Pressure Chart

255/40R18 tire pressure chart with maximum tire load capacity at specified tire inflation levels for 255/40R18 tires. Chart below will help you find corresponding tire inflation and load capacity levels to ensure proper application for your vehicle. Learn how to apply tire load inflation tables when replacing 255/40R18 tires with optional or plus tire sizes.

Tire Size Load Index Load Range 26 psi 27 psi 28 psi 29 psi 30 psi 31 psi 32 psi 33 psi 34 psi 35 psi 36 psi 37 psi 38 psi 39 psi 40 psi 41 psi 42 psi
255/40R18
95 SL
95 SL 1168 lbs 1201 lbs 1224 lbs 1268 lbs 1323 lbs 1345 lbs 1378 lbs 1422 lbs 1444 lbs 1477 lbs 1521 lbs Show Specs
255/40R18
99 XL
99 XL 1168 lbs 1201 lbs 1224 lbs 1268 lbs 1323 lbs 1334 lbs 1367 lbs 1422 lbs 1444 lbs 1466 lbs 1521 lbs 1543 lbs 1565 lbs 1609 lbs 1642 lbs 1664 lbs 1709 lbs Show Specs

Metric Tire Load Inflation Table

Tire pressure for similar tire sizes

Tire models with 255/40R18 tire size