Nitto
Rims not included with purchase of tires

Nitto NT421Q

All Season Passenger tire

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Starting at $132.97

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  • SimpleScore™

    Our proprietary rating system
    for the modern tire buyer.

    8.4

    Great

    Score breakdown:

    8.2

    Long lasting

    Great

    8.6

    Handling

    Great

    8.4

    Traction

    Great

    Excellent Mileage Warranty

    75k

    NONEEXCELLENT
    Great Wet Traction

    A

    LOWEXCELLENT
    Great Handling

    V

    GOODEXCELLENT

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25 Reviews

13 on SimpleTire12 from Google Shopping
Write a review

4.7

overall rating

77%

Would you buy again?

Review breakdown

  • 6 out of 100
  • 4 out of 100
  • 2 out of 100
  • 1 out of 100
  • 0 out of 100

Review summary

AI-generated from verified customer reviews.
The Nitto NT421Q tires receive mixed reviews, with a majority of customers praising their performance and comfort, while a few report issues with tread wear and ride quality.
The Nitto NT421Q tires generally receive positive feedback for their handling, comfort, and overall performance. Many users report a significant improvement over their previous tires, particularly in ride quality and handling. However, there are concerns about tread life, with some customers experiencing faster wear than expected. The tires seem to perform well in various weather conditions, but their longevity may vary depending on the vehicle and driving conditions.

Scorecard

Dry

4.6

Wet

4.6

Winter

3.8

Comfort

4.5

Noise

4.2

Treadwear

3

13 SimpleTire reviews

Carlton
4.5
Toyota Highlander 2012 hybrid-limited
Verified Customer
Aug 15, 2022
Best tire I have ever had. Period! Beats Defenders

Nothing like them. Silky, noiseless ride despite the aggressive shoulders capable of sport cornering. I once came up on a man down in the middle of my lane on a blind rise, and whipped around him like a race car driver. In a Toyota Highlander, no less. Only things better in snow and ice are dedicated winter tires.

Mike
3.5
Dodge Challenger 2017 T/A 392
Verified Customer
Jul 4, 2022

SimpleTire as always delivers. However, as far as the tire... my biggest gripe is the tread wear. Didn't last over 15k miles. They performed as expected though on my '17 Scatpack.

Greg
2.5
Chevrolet Silverado 1500 2015 LT (22 Inch Option)
Verified Customer
Sep 14, 2020

2015 Silverado factory 22" wheels. Running OE recommended air pressure resulted in cupping of tires on center tread to the point of wearing to the treadbars within 18,000 miles while outer portions of the tire have 50% more tread still. Verified air pressure on a weekly basis using high quality pressure gauge (did not have this problem with my other 2 vehicles which I maintain with the same pressure gauge). Dry braking grip is horrible with this tire on my vehicle. I would not recommend this tire for a heavy vehicle such as mine.

Ryan
5
Verified Customer
Nov 20, 2019

I am now a true believer in the Nitto brand. I bought these to replace the stock Kumho tires that came on my 2019 Hyundai Santa Fe. Just for information reasons, these tires did need some breaking in, which seemed to take about 2000 miles. The ride improved drastically compared to the previous tires that were on the car. It changed the car completely and couldn't be happier. Wet traction is also fantastic. Highly recommend Nitto to anyone.

NICK
3
Verified Customer
Nov 15, 2019

Tires dont last 20,000 miles. Dont buy them

Israel
5
Verified Customer
Aug 11, 2019

I have these about a month on my Infinity FX, so far outstanding. Ride is smooth and quite. Has not rained so I cannot comment on wet handling. I had Michelins Premiers on it before, but I got tired of them wearing out quickly given the price. I actually think these Nittos ride better.

Kyke
5
Verified Customer
Jul 31, 2019

So far they have been great. I am much happier than these than the Michelin's we had. But time will tell.

David
5
Verified Customer
May 15, 2019

I have a 2006 Volvo XC90 front wheel drive. The Nitto NT421Q transformed the car, its ride and handling. So much smoother, quieter than previous tires. Handling is smooth and precise. Way too early to tell about tread-life, but so far, loving them.

William
5
Verified Customer
Aug 31, 2018

Put these on a 2011 Acura MDX replacing the original Bridgestones Rides and handles like a different vehicle. Sharper turning and better handling. Went from truck-like to sporty.

Robert
4.5
Verified Customer
Jun 13, 2018

Great tire for a great price at Simple Tire. I have these tires on a 1500 Sierra Truck and the ride and noise are excellent.

See all customer reviews

Get technical:

The Nitto NT421Q is an all-season tire designed for crossovers and SUVs that offers drivers an innovative asymmetric tread with built-in wear indicators, an interlocking sipe design for wet or wintry conditions, and a reinforced shoulder for great handling.



Features & Benefits

  • All-season tread
  • Black sidewall
  • Inner segment of the tread improves performance in wet or wintry conditions
  • Shoulder tread blocks reinforced for accurate handling
  • Protected by Nitto's 75,000 mile limited manufacturer's tread life warranty for H- and V-rated sizes (60,000 mile for W-rated sizes)

Nitto's NT421Q is designed for sporty crossovers and SUVs and features larger reinforced tread blocks at the shoulder for responsive handling and an added layer of rubber at the shoulder for durability. The all-season tread of the NT421Q includes an asymmetric pattern with three circumferential grooves to help resist hydroplaning and a dense network of 3D sipes, with extra sipes on the tread's inboard side for winter performance. Nitto's innovative maintenance indicators are built into the tread grooves to give drivers an early heads-up to uneven or excessive tread wear.

Nitto
Category
All Season
Vehicle
Mileage Warranty
75 k
Load Index
1874 lbs (102)
Max Speed
149 MPH (V)
Load Range
Extra (XL)
Sidewall
Blackwall
UTQG
640AA
Wet Traction
A
Tread Depth
11.8/32nds
Inflation Pressure
50 PSI
Part Number
210670
Tread Design
Asymmetrical
Tire Weight
29.98 lbs
Section Width
9.17"
Rim Range
6.00-8.00"
Overall Diameter
27.76"
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Have a question about Nitto NT421Q tires?

Yes, Nitto NT421Q tires are a good choice for drivers of CUVs and SUVs that need strong traction and handling performance in dry, wet, and light winter weather conditions, a quiet, comfortable ride, and a longer tread life.

Nitto NT421Q tires are backed by a 75,000 mile limited manufacturer tread life warranty for H- and V-rated sizes, and a 60,000 mile limited manufacturer tread life warranty for W-rated sizes. This means that the NT421Q is expected to last at least 60,000 or 75,000 miles, depending on the tire's speed rating, assuming proper use, maintenance, and rotation are followed/

Nitto

NT421Q ∙ 27 sizes available