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Nitto NT421Q Tires

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Nitto tires
Consumer Tire Performance Survey

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based on 11 customer reviews
Consumer Tire Performance Survey
based on 11 customer reviews
overall8.7 hydroplaning resistance8.9
buy again91% cornering stability8.8
dry traction9.1 steering responsiveness8.7
wet traction8.9 ride comfort8.5
light snow traction7.0 noise level8.2
deep snow traction7.0 treadwear8.8
ice traction6.0 miles reported14,700
     8-10 = excellent        6-7 = good        4-5 = fair        1-3 = poor
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Mavis Discount Tire offers Nitto NT421Q tires in 36 popular sizes. When replacing all 4 tires, the most popular vehicle was the Jeep Grand Cherokee, followed by the Dodge Durango, Ford Explorer, Ford F-150 and Honda Pilot. 52 different vehicle models in total were fitted with this tire. The average mileage when putting on the new tires was 78,966, and Winter was the most common time of year to purchase.
Browse a list of all Nitto tires
Nitto NT421Q - All Season On-Road Highway tire
  • Maintenance Indicators
  • Siping
  • Added Shoulder Inserts
  • Tread Block Stability
  • Wet Traction
  • Winter Traction
  • Mileage Warranty
  • Nitto’s intelligent maintenance indicators are a service feature that visually show how your tires are wearing. They can also alert you to wear issues before they become big problems.
  • Siping is one of the most important tire technologies for wet and snow traction. Nitto's revolutionary 3D multiwave and 3D Interlocking sipe design provide traction without sacrificing handling.
  • The circumferential rubber shoulder insert adds an additional layer of strength to help you navigate potholes and other adverse road conditions.
  • The NT421Q helps you safely navigate corners because the larger tread blocks on the exterior of the tire provide stability.
  • The NT421Q is an all-season tire that keeps you safely connected to the road in inclement weather. The three wide and deep circumferential grooves improve water evacuation, providing increased wet handling and traction.
  • The inside tread area of the the tire was designed for wet and winter weather performance. The large, open grooves provide lateral water evacuation while the high sipe density increases the number of biting edges contacting the road.
  • NT421Q is backed by a class-leading mileage warranty which covers 75,000-mile for H, V speed rated sizes, and 60,000-mile for W speed rated sizes.
Size Sidewall Speed
Rating		 Service
Desc		 Load
Range		 UTQG
Tread		 UTQG
Traction		 UTQG
Temp
 225/55VR19 XL  BK V 103V XL 640 A
 225/55VR18 XL  BK V 102V XL 640 A
 225/60VR17 XL  BK V 103V XL 640 A
 225/65HR17 XL  BK H 106H XL 640 A
 235/55ZR20 XL  BK W 105W XL 560 A
 235/50VR19 XL  BK V 103V XL 640 A
 235/55ZR19 XL  BK W 105W XL 560 A
 235/55VR18 XL  BK V 104V XL 640 A
 235/60ZR18 XL  BK W 107W XL 560 A A
 235/65HR18 XL  BK H 110H XL 640 A
 235/60HR17 XL  BK H 106H XL 640 A
 235/65HR17 XL  BK H 108H XL 640 A
 245/50VR20 XL  BK V 105V XL 640 A
 245/55HR19 XL  BK H 107H XL 640 A
 245/60HR18 XL  BK H 109H XL 640 A
 245/65HR17 XL  BK H 111H XL 640 A
 255/45ZR20 XL  BK W 105W XL 560 A
 255/50VR20 XL  BK V 109V XL 640 A
 255/55HR20 XL  BK H 110H XL 640 A
 255/50VR19 XL  BK V 107V XL 640 A
 255/55VR19 XL  BK V 111V XL 640 A
 255/60HR19 XL  BK H 113H XL 640 A
 255/55VR18 XL  BK V 109V XL 640 A
 255/65HR18 XL  BK H 115H XL 640 A
 255/60VR17 XL  BK V 110V XL 640 A
 265/50VR20 XL  BK V 111V XL 640 A
 265/50VR19 XL  BK V 110V XL 640 A
 265/60VR18 XL  BK V 114V XL 640 A
 265/65HR18  BK H 114H SL 640 A A
 275/40ZR20 XL  BK W 106W XL 560 A
 275/45ZR20 XL  BK W 110W XL 560 A A
 275/50HR20 XL  BK H 113H XL 640 A
 275/55VR20 XL  BK V 117V XL 640 A
 275/60HR20  BK H 115H SL 640 A
 275/55VR17  BK V 109V SL 640 A
 285/45VR22 XL  BK V 114V XL 640 A
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