Nitto NT421Q

Strong spec profile
Estimated from manufacturer specs (UTQG, warranty, speed rating)
Scouter Analysis
The Nitto NT421Q is a solid choice for drivers seeking a comfortable and quiet ride with reliable dry grip. Its 640 UTQG treadwear rating and 60,000-mile warranty suggest it can handle long-term use, although the warranty falls slightly short of the category average. The tire's dry grip score of 8.5 is a standout feature, offering better traction than many competitors in dry conditions. In the grand touring all-season category, comfort and noise are top priorities, and the NT421Q meets the benchmarks with scores of 8 in both areas. While its wet grip score of 7.5 is competitive, it doesn't quite match the wet performance of some rivals like the BFGoodrich Advantage Control. Additionally, the absence of a 3PMSF rating means it's not the best choice for severe winter conditions. Compared to competitors like the General AltiMAX RT45 and Vredestein Quatrac Pro+, the NT421Q offers a balanced performance with a focus on comfort and durability. However, if you frequently drive in wet or snowy conditions, you might consider options with better wet grip or a 3PMSF rating. Overall, the NT421Q is best suited for drivers in moderate climates who value comfort and dry performance over winter capability. If severe winter traction is a concern, look towards an all-weather option with a 3PMSF rating instead.
Spec-based analysis — see our methodology.
Performance Profile
Estimated from manufacturer specs — not measured test data.
Technical Specifications
Where to Buy
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Available Sizes & Specs
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