Tire Pressure Tires Nitto NT421Q

Nitto NT421Q Tire Pressure

Nitto NT421Q is a high performance all-season tire that comes in 33 sizes with best prices starting from $148.00. Depending on its specific tire size, maximum tire inflation for Nitto NT421Q tire can range from 50 psi to 51 psi.

Nitto NT421Q tire load capacity and maximum inflation may vary depending on tire load index and load range. Check Nitto NT421Q tire sidewall for more information. Tire inflation printed on the sidewall represents the maximum air pressure Nitto NT421Q tire can be inflated to support its maximum load capacity. Never overinflate or overload Nitto NT421Q tires above the maximum inflation and load capacity values indicated on the tire sidewall.

Nitto NT421Q
Buy from $148.00

Nitto NT421Q Tire Pressure Chart

Browse Nitto NT421Q tire pressure chart to find maximum inflation settings for each tire size. Click on tire size to see its inflation and load capacity chart.

Tire Size Price Load Range Service Description Max Psi Run Flat
225/55R18 XL 102V 50 No
225/55R19 XL 103V 50 No
225/60R17 XL 103V 50 No
225/65R17 XL 106H 50 No
235/50R19 XL 103V 50 No
235/55R18 XL 104V 50 No
235/55R20 XL 105W 50 No
235/60R17 XL 106H 50 No
235/60R18 XL 107W 50 No
235/65R17 XL 108H 50 No
235/65R18 XL 110H 50 No
245/50R20 XL 105V 50 No
245/55R19 XL 107H 50 No
245/60R18 XL 109H 50 No
245/65R17 XL 111H 50 No
255/45R20 XL 105W 50 No
255/50R20 XL 109V 50 No
255/55R18 XL 109V 50 No
255/55R19 XL 111V 50 No
255/55R20 XL 110H 50 No
255/60R17 XL 110V 50 No
255/60R19 XL 113H 50 No
255/65R18 XL 115H 50 No
265/50R19 XL 110V 50 No
265/50R20 XL 111V 50 No
265/60R18 XL 114V 50 No
265/65R18 SL 114H 51 No
275/40R20 XL 106W 50 No
275/45R20 XL 110W 50 No
275/55R17 SL 109V 51 No
275/55R20 XL 117V 50 No
275/60R20 SL 115H 51 No
285/45R22 XL 114V 50 No

Nitto Tire Pressure Charts

All-Weather Crosstek 2

Nitto Crosstek 2

All-Weather 55 tire sizes
Commercial All-Season Dura Grappler

Nitto Dura Grappler

Commercial All-Season 23 tire sizes
All-Terrain Exo Grappler AWT

Nitto Exo Grappler AWT

All-Terrain 18 tire sizes
Ultra High Performance Summer Invo

Nitto Invo

Ultra High Performance Summer 46 tire sizes
Ultra High Performance All-Season Motivo

Nitto Motivo

Ultra High Performance All-Season 55 tire sizes
Mud-Terrain Mud Grappler

Nitto Mud Grappler

Mud-Terrain 21 tire sizes
Ultra High Performance All-Season Neo Gen

Nitto Neo Gen

Ultra High Performance All-Season 22 tire sizes
All-Terrain Nomad Grappler

Nitto Nomad Grappler

All-Terrain 36 tire sizes
Track and Competition NT01

Nitto NT01

Track and Competition 22 tire sizes
Track and Competition NT05

Nitto NT05

Track and Competition 25 tire sizes
Track and Competition NT05R

Nitto NT05R

Track and Competition 1 tire size
High Performance All-Season NT420S

Nitto NT420S

High Performance All-Season 8 tire sizes
High Performance All-Season NT420V

Nitto NT420V

High Performance All-Season 35 tire sizes
Ultra High Performance Summer NT555 G2

Nitto NT555 G2

Ultra High Performance Summer 64 tire sizes
Track and Competition NT555RII

Nitto NT555RII

Track and Competition 27 tire sizes
All-Terrain Recon Grappler A/T

Nitto Recon Grappler A/T

All-Terrain 78 tire sizes
All-Terrain Ridge Grappler

Nitto Ridge Grappler

All-Terrain 100 tire sizes
Snow and Ice Winter SN2

Nitto SN2

Snow and Ice Winter 6 tire sizes
All-Terrain Terra Grappler G2

Nitto Terra Grappler G2

All-Terrain 31 tire sizes
Mud-Terrain Trail Grappler M/T

Nitto Trail Grappler M/T

Mud-Terrain 63 tire sizes

All listed guides, data and/or calculations are for informational purposes only. TirePressure.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.