Nitto NT421Q Tire Pressure Chart

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

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

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