A treadwear grade, a mileage warranty and the distance your tires actually last are three different measures. Use the grade to understand a comparative wear rating, the warranty to understand conditional coverage, and inspections and maintenance records to follow the condition of your own tires. None of those numbers should be substituted for the others.
What the UTQG grade tells you
The Uniform Tire Quality Grading system separates treadwear, traction and temperature resistance. NHTSA explains these ratings as distinct ways to compare tire characteristics. A treadwear grade is a comparative rating, not a conversion into a promised number of road miles.
For example, a grade of 700 does not necessarily mean a tire will last 70,000 miles. Actual driving conditions and maintenance matter, and a tire may need attention for reasons other than uniform tread wear. Temperature A is the highest UTQG temperature grade and relates to heat resistance under controlled test conditions.
Check the exact specification within a product line
NEXEN TIRE N’PRIZ S is a grand touring all-season tire with different specification rows. These two entries in NEXEN TIRE’s 2026 US Product Showcase demonstrate why the model name alone is not enough:
| Code | Size | Load / speed | UTQG |
|---|---|---|---|
| 12798 | 195/65R15 | 91H | 700 / A / A |
| 17195 | 205/60R16 | 92H | 560 / A / A |
UTQG is shown as treadwear / traction / temperature. Both examples have Temperature A, while the treadwear grades differ. Compare the exact product row rather than applying the model’s headline grade to every size. The table documents specification differences; it does not show two interchangeable replacements for the same vehicle.
Tire sizes shown are representative only. Always verify the exact OE specification on the vehicle manufacturer’s tire placard.
Read limited mileage coverage as a policy
The 2026 NEXEN TIRE US warranty lists N’PRIZ S limited treadwear coverage of 80,000 miles, with 60,000 miles for EVs. These figures describe conditional coverage for qualifying replacement purchases, not guaranteed tire life.
Eligible premature-wear adjustments are prorated. Mounting, balancing, other service charges and applicable taxes remain the consumer’s responsibility. Read the complete terms before estimating what a future claim might cover.
The replacement policy has purchase, ownership, maintenance and application requirements. It excludes original equipment tires on new vehicles and commercial uses such as taxi, delivery and ride-sharing. Owners of factory-fitted tires should consult the applicable separate OE warranty.
Build maintenance into the ownership plan
The 2026 US brochure requires tire rotation at least every 5,000–6,000 miles to maintain treadwear coverage. Keep dated records and follow the vehicle’s instructions. Where front and rear tires are different sizes and cannot be rotated, the policy halves the stated rear-tire mileage coverage.
A practical record should include the original receipt, installation mileage, exact tire specification and subsequent service history. Ask the dealer to explain how the policy applies to the vehicle’s rotation pattern before purchase.
Also check cold pressure against the vehicle’s recommendation and arrange an inspection if wear is uneven or a tire appears damaged. Warranty mileage is not permission to keep using a tire that needs attention. A qualified tire professional can assess the condition and advise on the next step.
Compare long-life candidates on separate lines
For each suitable tire, record the exact specification and UTQG grade, applicable mileage coverage, maintenance obligations and installed price. Keep those entries separate so a strong warranty headline does not obscure differences in fitment or service requirements.
That approach gives you a documented comparison without predicting an exact replacement date. NEXEN TIRE N’PRIZ S can then be assessed on its listed specification and US coverage at the scope that applies to your purchase.
Questions about tread life
Does every NEXEN TIRE N’PRIZ S have a 700 treadwear grade?
No. The 2026 US catalog includes the 700 / A / A and 560 / A / A examples shown here. Check the exact product code and specification instead of relying only on the model name.
Does Temperature A mean the tire will last longer?
Temperature A is a heat-resistance grade, not a mileage prediction. A higher heat-resistance rating may help a tire last longer in hot climates, but it cannot be said to correspond directly to longer mileage.
Is the N’PRIZ S mileage figure the same for EVs?
Because the figures vary by specification, you should check which tire specification is fitted to your EV. The figures do not guarantee actual tire mileage, which depends on driving habits and conditions.