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Nitto NT421Q

75,000 MileTread Warranty
(H/V Rated)
60,000 MileTread Warranty
(W Rated)
Nitto NT421Q
NT421QAll Season

The Nitto NT421Q is a premier all season tire intended for use on SUVs and CUVs. It is a radial tire that provides excellent handling and traction in all weather environments including snow, while delivering a smooth ride. The NT421Q comes in H and V and W-speed rated sizes. It also has a 75,000 mile tread life warranty for H and V rated sizes or 60,000 mile for W rated sizes.

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Nitto NT421Q Tire Specs Chart

Size Diameter Width Rim
Range
Measured
Rim
Tread
Depth
Load
Range
Max
Load
Max
psi
Weight Revs/Mile
225/60R17
103V XL BSW
27.64" 8.98" 6-8" 6.5" 12/32" XL 1929 lbs 50 psi NA 752 Show Specs
225/65R17
106H XL BSW
28.5" 8.98" 6-8" 6.5" 12.1/32" XL 2094 lbs 50 psi NA 729 Show Specs
235/60R17
106H XL BSW
28.11" 9.45" 6.5-8.5" 7" 12.1/32" XL 2094 lbs 50 psi NA 739 Show Specs
235/65R17
108H XL BSW
29.06" 9.45" 6.5-8.5" 7" 12.2/32" XL 2205 lbs 50 psi NA 716 Show Specs
245/65R17
111H XL BSW
29.53" 9.76" 7-8.5" 7" 12.3/32" XL 2403 lbs 50 psi NA 704 Show Specs
255/60R17
110V XL BSW
29.06" 10.24" 7-9" 7.5" 12.3/32" XL 2337 lbs 50 psi NA 716 Show Specs
275/55R17
109V SL BSW
28.9" 11.8" 7.5-9.5" 8.5" 12.5/32" SL 2271 lbs 51 psi NA 720 Show Specs
225/55R18
102V XL BSW
27.76" 9.17" 6-8" 7" 11.8/32" XL 1874 lbs 50 psi NA 748 Show Specs
235/55R18
104V XL BSW
28.15" 9.65" 6.5-8.5" 7.5" 12/32" XL 1984 lbs 50 psi NA 738 Show Specs
235/60R18
107W XL BSW
29.09" 9.45" 6.5-8.5" 7" 10.1/32" XL 2149 lbs 50 psi NA 715 Show Specs
235/65R18
110H XL BSW
30.04" 9.45" 6.5-8.5" 7" 12.2/32" XL 2337 lbs 50 psi NA 692 Show Specs
245/60R18
109H XL BSW
29.57" 9.76" 7-8.5" 7" 12.2/32" XL 2271 lbs 50 psi NA 703 Show Specs
255/55R18
109V XL BSW
29.02" 10.43" 7-9" 8" 12.2/32" XL 2271 lbs 50 psi NA 716 Show Specs
255/65R18
115H XL BSW
31.06" 10.24" 7-9" 7.5" 12.5/32" XL 2679 lbs 50 psi NA 669 Show Specs
265/60R18
114V XL BSW
30.51" 10.71" 7.5-9.5" 8" 12.5/32" XL 2601 lbs 50 psi NA 681 Show Specs
265/65R18
114H SL BSW
31.54" 10.71" 7.5-9.5" 8" 12.6/32" SL 2601 lbs 51 psi NA 659 Show Specs
225/55R19
103V XL BSW
28.78" 9.17" 6-8" 7" 11.8/32" XL 1929 lbs 50 psi NA 722 Show Specs
235/50R19
103V XL BSW
28.31" 9.65" 6.5-8.5" 7.5" 11.8/32" XL 1929 lbs 50 psi NA 734 Show Specs
235/55R19
105W XL BSW
29.17" 9.65" 6.5-8.5" 7.5" 10.1/32" XL 2039 lbs 50 psi NA 712 Show Specs
245/55R19
107H XL BSW
29.65" 9.96" 7-8.5" 7.5" 12.1/32" XL 2149 lbs 50 psi NA 701 Show Specs
255/50R19
107V XL BSW
29.09" 10.43" 7-9" 8" 12.1/32" XL 2149 lbs 50 psi NA 715 Show Specs
255/55R19
111V XL BSW
30.04" 10.43" 7-9" 8" 12.2/32" XL 2403 lbs 50 psi NA 692 Show Specs
255/60R19
113H XL BSW
31.06" 12.3" 7-9" 7.5" 12.3/32" XL 2535 lbs 50 psi NA 669 Show Specs
265/50R19
110V XL BSW
29.49" 10.91" 7.5-9.5" 8.5" 12.2/32" XL 2337 lbs 50 psi NA 705 Show Specs
235/55R20
105W XL BSW
30.16" 9.65" 6.5-8.5" 7.5" 10.1/32" XL 2039 lbs 50 psi NA 689 Show Specs
245/50R20
105V XL BSW
29.69" 9.96" 7-8.5" 7.5" 12/32" XL 2039 lbs 50 psi NA 700 Show Specs
255/45R20
105W XL BSW
29.06" 10.04" 8-9.5" 8.5" 10.1/32" XL 2039 lbs 50 psi NA 716 Show Specs
255/50R20
109V XL BSW
30.08" 10.43" 7-9" 8" 12.1/32" XL 2271 lbs 50 psi NA 691 Show Specs
255/55R20
110H XL BSW
31.02" 10.43" 7-9" 8" 12.2/32" XL 2337 lbs 50 psi NA 670 Show Specs
265/50R20
111V XL BSW
30.47" 10.91" 7.5-9.5" 8.5" 12.2/32" XL 2403 lbs 50 psi NA 682 Show Specs
275/40R20
106W XL BSW
28.66" 10.94" 9-11" 9.5" 10.1/32" XL 2094 lbs 50 psi NA 725 Show Specs
275/45R20
110W XL BSW
29.76" 10.75" 8.5-10.5" 9" 10.1/32" XL 2337 lbs 50 psi NA 699 Show Specs
275/50R20
113H XL BSW
30.87" 11.18" 7.5-9.5" 8.5" 12.2/32" XL 2535 lbs 50 psi NA 673 Show Specs
275/55R20
117V XL BSW
31.89" 11.18" 7.5-9.5" 8.5" 12.5/32" XL 2833 lbs 50 psi NA 652 Show Specs
275/60R20
115H SL BSW
32.99" 10.98" 7.5-9.5" 8" 12.6/32" SL 2679 lbs 51 psi NA 630 Show Specs
285/45R22
114V XL BSW
32.09" 11.22" 9-10.5" 9.5" 12.3/32" XL 2601 lbs 50 psi NA 647 Show Specs

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