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PREMIUM CROSSOVER TIRE
Touring
All Season
SUV / CUV
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Performance Ratings
See how the NT421Q performs across different conditions
Dry Handling
4.0/5.0Ride Comfort
5.0/5.0Quiet Ride
5.0/5.0Engineered Performance
Explore the technology behind NT421Q
All-Weather Traction
Ensure safe driving in rain, shine, or light snow.
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Confidence Through Any Weather
No matter if it is rain, shine, or even light snow, the NT421Q™ helps your customers arrive safely at their destination.
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Siping
The NT421Q features advanced siping technologies, one of which is traditionally found only on dedicated winter/snow tires.The three dimensional sipes lock together to increase tread block rigidity to aid all-weather traction while preventing unwanted flexing and irregular wear of the tread.
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3 GROOVES
3 wide grooves help evacuate water for added traction during inclement weather.
Comfort & Quietness
Experience a smooth and quiet ride with advanced noise reduction.
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Smooth and Quiet
Nitto’s Quiet Serration Technology imbedded in the groove of the tire reduces road noise to make each drive more quiet and comfortable. Much like the acoustics in a music hall or recording studio, this technology helps break up repetitive and reverberating noise. This along with the variable pitch tread blocks, generated through Nitto’s proprietary computer simulation process, creates a tire that delivers welcomed quietness.
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Dependable Performance
The NT421Q features unique rubber inserts in the shoulders of the tires to provide a balance of added sidewall strength and smooth ride comfort.
Durability & Maintenance
Monitor tire wear and maintain performance with ease.
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Intelligent Maintenance Indicators
The easy-to-read wear indicators shows how the tires are wearing and can provide an early alert for irregular wear. The indicator marks placed within all three circumferential grooves of the tire points out signs of irregular wear and possible issues with the vehicle’s alignment.
Available Sizes
36 sizes available across 5 rim diameters
Nitto Millennium Treadwear Limited Warranty
See coverage details below| Tire Size | Load/Speed | Part Number | Rim Width | Diameter | Width | Tread Depth | Sidewall | Revs/km | Max Load | Max PSI |
|---|---|---|---|---|---|---|---|---|---|---|
| 225/60R17XL | 103V | 210610 | 6.0-(6.5)-8.0 | 27.6" | 9" | 12/32" | BL | 467 | 1,929 lbs | 50 psi |
| 225/65R17XL | 106H | 210640 | 6.0-(6.5)-8.0 | 28.5" | 9" | 12/32" | BL | 453 | 2,094 lbs | 50 psi |
| 235/60R17XL | 106H | 210620 | 6.5-(7.0)-8.5 | 28.1" | 9.4" | 12/32" | BL | 459 | 2,094 lbs | 50 psi |
| 235/65R17XL | 108H | 210650 | 6.5-(7.0)-8.5 | 29.1" | 9.4" | 12/32" | BL | 444 | 2,205 lbs | 50 psi |
| 245/65R17XL | 111H | 210660 | 7.0-(7.0)-8.5 | 29.5" | 9.8" | 12/32" | BL | 437 | 2,403 lbs | 50 psi |
| 255/60R17XL | 110V | 210630 | 7.0-(7.5)-9.0 | 29.1" | 10.2" | 12/32" | BL | 444 | 2,337 lbs | 50 psi |
| 275/55R17 | 109V | 210600 | 7.5-(8.5)-9.5 | 28.9" | 11.2" | 13/32" | BL | 447 | 2,271 lbs | 51 psi |
| 225/55R18XL | 102V | 210670 | 6.0-(7.0)-8.0 | 27.8" | 9.2" | 12/32" | BL | 465 | 1,874 lbs | 50 psi |
| 235/55R18XL | 104V | 210680 | 6.5-(7.5)-8.5 | 28.1" | 9.6" | 12/32" | BL | 459 | 1,984 lbs | 50 psi |
| 235/60R18XL | 107W | 210700 | 6.5-(7.0)-8.5 | 29.1" | 9.4" | 10/32" | BL | 444 | 2,149 lbs | 50 psi |
| 235/65R18XL | 110H | 210730 | 6.5-(7.0)-8.5 | 30" | 9.4" | 12/32" | BL | 430 | 2,337 lbs | 50 psi |
| 245/60R18XL | 109H | 210710 | 7.0-(7.0)-8.5 | 29.6" | 9.8" | 12/32" | BL | 437 | 2,271 lbs | 50 psi |
| 255/55R18XL | 109V | 210690 | 7.0-(8.0)-9.0 | 29" | 10.4" | 12/32" | BL | 445 | 2,271 lbs | 50 psi |
| 255/65R18XL | 115H | 210740 | 7.0-(7.5)-9.0 | 31.1" | 10.2" | 13/32" | BL | 416 | 2,679 lbs | 50 psi |
| 265/60R18XL | 114V | 210720 | 7.5-(8.0)-9.5 | 30.5" | 10.7" | 13/32" | BL | 423 | 2,601 lbs | 50 psi |
| 265/65R18 | 114H | 210750 | 7.5-(8.0)-9.5 | 31.5" | 10.7" | 13/32" | BL | 409 | 2,601 lbs | 51 psi |
| 225/55R19XL | 103V | 210950 | 6.0-(7.0)-8.0 | 28.8" | 9.2" | 12/32" | BL | 449 | 1,929 lbs | 50 psi |
| 235/50R19XL | 103V | 210760 | 6.5-(7.5)-8.5 | 28.3" | 9.6" | 12/32" | BL | 456 | 1,929 lbs | 50 psi |
| 235/55R19XL | 105W | 210790 | 6.5-(7.5)-8.5 | 29.2" | 9.6" | 10/32" | BL | 442 | 2,039 lbs | 50 psi |
| 245/55R19XL | 107H | 210800 | 7.0-(7.5)-8.5 | 29.6" | 10" | 12/32" | BL | 436 | 2,149 lbs | 50 psi |
| 255/50R19XL | 107V | 210770 | 7.0-(8.0)-9.0 | 29.1" | 10.4" | 12/32" | BL | 444 | 2,149 lbs | 50 psi |
| 255/55R19XL | 111V | 210810 | 7.0-(8.0)-9.0 | 30" | 10.4" | 12/32" | BL | 430 | 2,403 lbs | 50 psi |
| 255/60R19XL | 113H | 210820 | 7.0-(7.5)-9.0 | 31.1" | 10.2" | 12/32" | BL | 416 | 2,535 lbs | 50 psi |
| 265/50R19XL | 110V | 210780 | 7.5-(8.5)-9.5 | 29.5" | 10.9" | 12/32" | BL | 437 | 2,337 lbs | 50 psi |
| 235/55R20XL | 105W | 210890 | 6.5-(7.5)-8.5 | 30.2" | 9.6" | 10/32" | BL | 428 | 2,039 lbs | 50 psi |
| 245/50R20XL | 105V | 210860 | 7.0-(7.5)-8.5 | 29.7" | 10" | 12/32" | BL | 435 | 2,039 lbs | 50 psi |
| 255/45R20XL | 105W | 210840 | 8.0-(8.5)-9.5 | 29.1" | 10" | 10/32" | BL | 444 | 2,039 lbs | 50 psi |
| 255/50R20XL | 109V | 210870 | 7.0-(8.0)-9.0 | 30.1" | 10.4" | 12/32" | BL | 429 | 2,271 lbs | 50 psi |
| 255/55R20XL | 110H | 210900 | 7.0-(8.0)-9.0 | 31" | 10.4" | 12/32" | BL | 416 | 2,337 lbs | 50 psi |
| 265/50R20XL | 111V | 210880 | 7.5-(8.5)-9.5 | 30.5" | 10.9" | 12/32" | BL | 424 | 2,403 lbs | 50 psi |
| 275/40R20XL | 106W | 210830 | 9.0-(9.5)-11.0 | 28.7" | 10.9" | 10/32" | BL | 451 | 2,094 lbs | 50 psi |
| 275/45R20XL | 110W | 210850 | 8.5-(9.0)-10.5 | 29.8" | 10.7" | 10/32" | BL | 434 | 2,337 lbs | 50 psi |
| 275/50R20XL | 113H | 210590 | 7.5-(8.5)-9.5 | 30.9" | 11.2" | 12/32" | BL | 418 | 2,535 lbs | 50 psi |
| 275/55R20XL | 117V | 210910 | 7.5-(8.5)-9.5 | 31.9" | 11.2" | 13/32" | BL | 405 | 2,833 lbs | 50 psi |
| 275/60R20 | 115H | 210920 | 7.5-(8.0)-9.5 | 33" | 11" | 13/32" | BL | 391 | 2,679 lbs | 51 psi |
| 285/45R22XL | 114V | 210930 | 9.0-(9.5)-10.5 | 32.1" | 11.2" | 12/32" | BL | 402 | 2,601 lbs | 50 psi |
Warranty Coverage
Nitto Workmanship and Materials Limited Warranty
Replacement Passenger and Light Truck Tires
Replacement- Coverage: Life of original useable tread or 5 years from date of manufacture, whichever occurs first.
- Tires must be the correct size and inflation pressure for the vehicle.
- Tires must be rotated every 8,000 km.
- Additional consumer cost: installation, balance, and all applicable taxes & levies.
Nitto Millennium Treadwear Limited Warranty
Treadwear Mileage Guarantee for Eligible P-Metric / Metric / LT-Metric Tires
ReplacementWarranty Details — NT421Q
"H" & "V" speed rated = 120,000 km. "W" speed rated = 100,000 km. Or 5 years from date of retail purchase, whichever is first.
- Service available ONLY on tires originally purchased and used in Canada.
- Tires must be rotated every 8,000 km (rotation records required).
- For staggered fitments where rotation from front to rear is not possible, the rear tire mileage warranty is reduced by 50%.
- Complete the Millennium Warranty Card at the time of purchase and keep with rotation records.
- Per-tire mileage details are shown on each tire's product page.
Popular Fitments For NT421Q
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Frequently Asked Questions
Everything you need to know about the NT421Q
The Nitto NT421Q tire is designed for all-season use, making it suitable for everyday driving in spring, summer, and fall conditions.
The Nitto NT421Q tire is designed to fit SUVs and CUVs, covering a wide range of popular crossover models.
The Nitto NT421Q tire belongs to the touring category, designed to provide ride comfort, predictable handling, and everyday road performance.
The Nitto NT421Q tire features three wide grooves that help evacuate water, enhancing traction during inclement weather.
Yes, the Nitto NT421Q tire helps provide traction in changing road conditions, including light snow.
The Nitto NT421Q tire incorporates Quiet Serration Technology, which reduces noise generated within the tread grooves, resulting in a quieter and more comfortable ride.
The advanced siping technology in the Nitto NT421Q tire increases tread block rigidity, aiding all-weather traction while preventing irregular wear.
The intelligent maintenance indicators on the Nitto NT421Q tire provide an easy-to-read alert for irregular wear, helping to monitor tire condition.
Ready to Experience the NT421Q?
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