Nitto NT421Q Tire Pressure Chart

Nitto NT421Q tire pressure chart with maximum tire load capacity and tire inflation for Nitto NT421Q tire sizes.

Nitto NT421Q tire model comes in 36 tire sizes. Check Nitto NT421Q tire pressure chart to find maximum tire load capacity and its specified tire inflation based on your Nitto NT421Q tire size. Remember that tire pressure psi printed on Nitto NT421Q tire sidewall is its maximum tire pressure that Nitto NT421Q tire can be inflated to at its corresponding maximum weight capacity, and not a recommended tire pressure setting for your vehicle.

Keep in mind that Nitto NT421Q tires can naturally lose 1 to 2 psi of air pressure monthly, so check your Nitto NT421Q tire pressure regularly to keep tires properly inflated.

Tire inflation pressures are also affected by changes in ambient temperature. As a rule, tire inflation for Nitto NT421Q tires will drop by about 1 psi for every 10 degrees Fahrenheit drop in ambient temperature. Maintain proper Nitto NT421Q winter tire pressure by compensating air pressure to your vehicle's recommended tire pressure levels.

Check Nitto tire pressure charts for other Nitto tire models.

Nitto NT421Q Tire Pressure Chart

Tire Size Tire Size Type Load Index Dual Load Index Speed Rating Load Range Maximum Load Maximum Dual Load Maximum Tire Pressure

225/55R18
102V XL

Metric 102 V XL 1874 lbs 50 psi Show Specs

225/55R19
103V XL

Metric 103 V XL 1929 lbs 50 psi Show Specs

225/60R17
103V XL

Metric 103 V XL 1929 lbs 50 psi Show Specs

225/65R17
106H XL

Metric 106 H XL 2094 lbs 50 psi Show Specs

235/50R19
103V XL

Metric 103 V XL 1929 lbs 50 psi Show Specs

235/55R18
104V XL

Metric 104 V XL 1984 lbs 50 psi Show Specs

235/55R19
105W XL

Metric 105 W XL 2039 lbs 50 psi Show Specs

235/55R20
105W XL

Metric 105 W XL 2039 lbs 50 psi Show Specs

235/60R17
106H XL

Metric 106 H XL 2094 lbs 50 psi Show Specs

235/60R18
107W XL

Metric 107 W XL 2149 lbs 50 psi Show Specs

235/65R17
108H XL

Metric 108 H XL 2205 lbs 50 psi Show Specs

235/65R18
110H XL

Metric 110 H XL 2337 lbs 50 psi Show Specs

245/50R20
105V XL

Metric 105 V XL 2039 lbs 50 psi Show Specs

245/55R19
107H XL

Metric 107 H XL 2149 lbs 50 psi Show Specs

245/60R18
109H XL

Metric 109 H XL 2271 lbs 50 psi Show Specs

245/65R17
111H XL

Metric 111 H XL 2403 lbs 50 psi Show Specs

255/45R20
105W XL

Metric 105 W XL 2039 lbs 50 psi Show Specs

255/50R19
107V XL

Metric 107 V XL 2149 lbs 50 psi Show Specs

255/50R20
109V XL

Metric 109 V XL 2271 lbs 50 psi Show Specs

255/55R18
109V XL

Metric 109 V XL 2271 lbs 50 psi Show Specs

255/55R19
111V XL

Metric 111 V XL 2403 lbs 50 psi Show Specs

255/55R20
110H XL

Metric 110 H XL 2337 lbs 50 psi Show Specs

255/60R17
110V XL

Metric 110 V XL 2337 lbs 50 psi Show Specs

255/60R19
113H XL

Metric 113 H XL 2535 lbs 50 psi Show Specs

255/65R18
115H XL

Metric 115 H XL 2679 lbs 50 psi Show Specs

265/50R19
110V XL

Metric 110 V XL 2337 lbs 50 psi Show Specs

265/50R20
111V XL

Metric 111 V XL 2403 lbs 50 psi Show Specs

265/60R18
114V XL

Metric 114 V XL 2601 lbs 50 psi Show Specs

265/65R18
114H SL

Metric 114 H SL 2601 lbs 51 psi Show Specs

275/40R20
106W XL

Metric 106 W XL 2094 lbs 50 psi Show Specs

275/45R20
110W XL

Metric 110 W XL 2337 lbs 50 psi Show Specs

275/50R20
113H XL

Metric 113 H XL 2535 lbs 50 psi Show Specs

275/55R17
109V SL

Metric 109 V SL 2271 lbs 51 psi Show Specs

275/55R20
117V XL

Metric 117 V XL 2833 lbs 50 psi Show Specs

275/60R20
115H SL

Metric 115 H SL 2679 lbs 51 psi Show Specs

285/45R22
114V XL

Metric 114 V XL 2601 lbs 50 psi Show Specs

Tire Pressure Guide