Nitto NT-421Q 255/55R18 All-Season SUV Performance Tire 109V — Ultimate Comfort

SKU: DLDT_210690
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Unleash Premium Performance with the Nitto NT-421Q 255/55R18 All-Season TireTransform ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

Unleash Premium Performance with the Nitto NT-421Q 255/55R18 All-Season Tire

Transform your SUV's driving dynamics with the Nitto NT-421Q 255/55R18 all-season tire. This high-performance tire is crafted for drivers who demand exceptional comfort, unwavering stability, and reliable traction across all seasons. Its sophisticated engineering provides a remarkably quiet ride, precise handling, and the confidence to navigate diverse road conditions, from dry highways to light snowy paths. Experience the pinnacle of tire technology designed for discerning SUV owners.

Key Advantages for Discerning Drivers

  • Versatile All-Season Capability: Features an advanced tread design and compound for outstanding grip on both wet and dry surfaces, ensuring dependable performance in varied weather conditions, including light snow.
  • Supreme Ride Comfort: Engineered with cutting-edge noise-reduction technology to deliver a serene and smooth driving experience, significantly reducing road noise and vibrations for ultimate passenger comfort.
  • Robust Durability: Built to last with a high treadwear rating (640) and reinforced construction, offering extended tire life and consistent performance mile after mile, providing long-term value.
  • Enhanced Handling Precision: Provides sharp steering response and superior cornering stability, giving you greater control and confidence behind the wheel, especially during dynamic driving.

Engineered for High-End SUVs

The Nitto NT-421Q 255/55R18 is specifically designed to complement the power and refinement of high-end SUVs. it offers the perfect synergy of load capacity, high-speed stability, and refined comfort, making it an ideal choice for luxury and performance-oriented vehicles. This tire stands as a testament to Nitto's commitment to innovation, delivering a premium product that enhances both safety and driving pleasure, ensuring your vehicle performs optimally in all situations.

Specifications:

  • Tire Size: 255/55R18
  • Load Index: 109 (Max Load 2271 lbs)
  • Speed Rating: V
  • UTQG: 640AA (Treadwear 640, Traction A, Temperature A)
  • Tread Depth: 12.2/32

Product Details

Product Description
Part Numbers
Sizing & Fit

Unleash Premium Performance with the Nitto NT-421Q 255/55R18 All-Season Tire

Transform your SUV's driving dynamics with the Nitto NT-421Q 255/55R18 all-season tire. This high-performance tire is crafted for drivers who demand exceptional comfort, unwavering stability, and reliable traction across all seasons. Its sophisticated engineering provides a remarkably quiet ride, precise handling, and the confidence to navigate diverse road conditions, from dry highways to light snowy paths. Experience the pinnacle of tire technology designed for discerning SUV owners.

Key Advantages for Discerning Drivers

  • Versatile All-Season Capability: Features an advanced tread design and compound for outstanding grip on both wet and dry surfaces, ensuring dependable performance in varied weather conditions, including light snow.
  • Supreme Ride Comfort: Engineered with cutting-edge noise-reduction technology to deliver a serene and smooth driving experience, significantly reducing road noise and vibrations for ultimate passenger comfort.
  • Robust Durability: Built to last with a high treadwear rating (640) and reinforced construction, offering extended tire life and consistent performance mile after mile, providing long-term value.
  • Enhanced Handling Precision: Provides sharp steering response and superior cornering stability, giving you greater control and confidence behind the wheel, especially during dynamic driving.

Engineered for High-End SUVs

The Nitto NT-421Q 255/55R18 is specifically designed to complement the power and refinement of high-end SUVs. it offers the perfect synergy of load capacity, high-speed stability, and refined comfort, making it an ideal choice for luxury and performance-oriented vehicles. This tire stands as a testament to Nitto's commitment to innovation, delivering a premium product that enhances both safety and driving pleasure, ensuring your vehicle performs optimally in all situations.

Specifications:

  • Tire Size: 255/55R18
  • Load Index: 109 (Max Load 2271 lbs)
  • Speed Rating: V
  • UTQG: 640AA (Treadwear 640, Traction A, Temperature A)
  • Tread Depth: 12.2/32

Product Details

Product Description

Unleash Premium Performance with the Nitto NT-421Q 255/55R18 All-Season Tire

Transform your SUV's driving dynamics with the Nitto NT-421Q 255/55R18 all-season tire. This high-performance tire is crafted for drivers who demand exceptional comfort, unwavering stability, and reliable traction across all seasons. Its sophisticated engineering provides a remarkably quiet ride, precise handling, and the confidence to navigate diverse road conditions, from dry highways to light snowy paths. Experience the pinnacle of tire technology designed for discerning SUV owners.

Key Advantages for Discerning Drivers

  • Versatile All-Season Capability: Features an advanced tread design and compound for outstanding grip on both wet and dry surfaces, ensuring dependable performance in varied weather conditions, including light snow.
  • Supreme Ride Comfort: Engineered with cutting-edge noise-reduction technology to deliver a serene and smooth driving experience, significantly reducing road noise and vibrations for ultimate passenger comfort.
  • Robust Durability: Built to last with a high treadwear rating (640) and reinforced construction, offering extended tire life and consistent performance mile after mile, providing long-term value.
  • Enhanced Handling Precision: Provides sharp steering response and superior cornering stability, giving you greater control and confidence behind the wheel, especially during dynamic driving.

Engineered for High-End SUVs

The Nitto NT-421Q 255/55R18 is specifically designed to complement the power and refinement of high-end SUVs. it offers the perfect synergy of load capacity, high-speed stability, and refined comfort, making it an ideal choice for luxury and performance-oriented vehicles. This tire stands as a testament to Nitto's commitment to innovation, delivering a premium product that enhances both safety and driving pleasure, ensuring your vehicle performs optimally in all situations.

Specifications:

  • Tire Size: 255/55R18
  • Load Index: 109 (Max Load 2271 lbs)
  • Speed Rating: V
  • UTQG: 640AA (Treadwear 640, Traction A, Temperature A)
  • Tread Depth: 12.2/32

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