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255-40r21 tires

Surpass AS01

Like  their name suggest, all season tires are designed to give drivers performance year-round. All-season tires often provide strong performance in dry and wet conditions, and suitable traction and grip in wintery weather.

Passenger tires are some of the most common tires you'll find on the roads today, and frequently used on coupes, sedans, hatchbacks, minivans, and other passenger vehicles. Passenger tires are available in a wide variety of types, such as all-season, winter, and ultra-high-performance.

This product is covered by a 55,000 mile manufacturer’s treadlife warranty. Merchandise covered by a manufacturer’s warranty is sold with the warranty by the 
        manufacturer extended to the purchaser. We will be happy to assist in obtaining fulfillment of a manufacturer’s 
        warranty. Other than applicable manufacturers’ warranties, there are no warranties, express or implied, 
        including any warranty of merchantability or fitness for a particular purpose. The only tires SimpleTire can 
        warranty are brand new defects (meaning that they have not been mounted or driven on). Any bead damaged will be 
        void of any warranty claim. Any other adjustments should be taken to the nearest authorized dealer for that 
        manufacturer. Sometimes the manufacturer also provides a treadlife warranty and mileage rating. Please be aware 
        that not all tires hold a mileage warranty from the manufacturer. Different tire models, even from the same 
        manufacturer, may or may not come with a treadlife warranty.

Mileage Warranty

The maximum carrying capacity for a tire determined by the manufacturer.

Load Index

Maximum speed capability to safely carry a load for an extended period of time.

Max Speed

The maximum load carrying strength at the specified inflation pressure, also known as ply rating.

Standards that measure treadwear, temperature resistance and traction, example: "640 A A".  The 640 is the treadwear test and it lasted 6.4 times longer than the comparison tire tested against.  The first "A" is the traction rating using straight-line wet traction on test surfaces (see information tables tab) and the second "A" is the temperature rating by testing operation at high speeds without heat-related failure (see information tables tab).

UTQG

Wet Traction is a piece of the UTQG for example if  UTQG is: 500 AA A, the wet traction piece is the second piece, the "AA".

Wet Traction

Measured in 32nds of an inch, this metric shows how much tread life is left on a tire, with the tire's traction & stopping capabilities greatly diminished at 4/32nds and less. Tire manufacturers include "tire wear bars" at 2/32nds to indicate when your tire is worn out.

Tread Depth

The highest inflation pressure (measured in pounds of force per square inch, PSI) the tire is designed to contain, and should only be used when called for by the vehicle placard.

Inflation Pressure

An identifier of a particular tire line and size combination assigned by the tire manufacturer.

Part Number

Tire Weight

The measurement of width from a tires inner sidewall to the outer sidewall.

Section Width

The range of widths the rim of the vehicle can be for this tire to be safely mounted on.

Rim Range

The diameter of a tire that is inflated without any load applied.

Overall Diameter

Hakkapeliitta R5 EV

Winter tires are built with a flexible rubber compound that allows for consistent grip on roads when the temperature is below 40 degrees. Able to conquer ice, snow, and slush, winter tires are either come in a standard design or they can be pinned with studs to improve grip.

Specifically engineered for use on electric vehicles. This tire is able to withstand the weight, range, and noise needs of an EV.

This product is not covered by a manufacturer’s treadlife warranty.

The side of the tire between the tread and rim, with cosmetic branding as well as information about the tire including manufacturer, model, size, etc.

Sidewall

Tread design (or tread pattern) can affect handling, traction & noise for different driving styles & road conditions.

Tread Design

A three-peak mountain snowflake (3PMSF) symbol branded on a tire's sidewall indicates the tire meets required performance criteria in snow testing to be considered severe snow service-rated.

Three-Peak Mountain Snowflake (3PMS)

Molded specifically for optional use with studs. Studs not included. Stud sizes in TSMI (Tire Stud Manufacturer Index). Studs Restricted in certain states.

Studdable

Ice Grip is a certification which means the tire has passed industry-approved testing standards for ice traction, braking, and cornering. The Ice Grip symbol can be found on a tire’s sidewall.

49 tires available in 255-40r21

In Size 255-40r21

**Most drivers choose from our top picks**<br />They include the best matches 
                     of this tire size based on popularity, user ratings, and price.

We'll start with our 5 top picks

Based on verified customer reviews, this tire has been highly rated.

Top rated:

Best customer reviewed tire.

P Zero (PZ4-Sport)

Summer tires are designed for use in warmer weather or in areas where the temperatures does not drop below 40 degrees. These tires are ideal for ue in warm, dry, and wet conditions that are common in the summertime.

Self-sealing denotes the tire has a material in it that sticks to an object that punctured the tire. The material then seals the hole after the object is removed from the tire.

Self Sealing

Consistently rated as excellent by experts with the highest SimpleScore among the top 5 tires.

Top SimpleScore&trade;:

Chosen by our tire experts.

ContiSportContact 5

This tire features run flat technology that’s designed to assist the driver during a puncture of pressure loss.

Run Flat

Save on this  tire today.

Best deal:

Save even more.

ContiSportContact 5P

Most popular among drivers in PA

Best seller:

Go with the best seller

LX-Twenty

Performance tires are designed for use on sports cars and performance-oriented vehicles. These tires are usually at their best in above freezing temperatures, and offer drivers responsive handling, improved acceleration, and strong braking capabilities.

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

AZ850

Ultra High Performance (or UHP) tires have a speed rating of V or greater and are used on sports cars, super cars, and other powerful vehicles. Commonly featuring a wide footprint and low profile, UHP tires provide excellent traction and steering response but should not be used when temperatures are at 40 degrees or below.

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255/40R21 nokian Tires

Featured

All

Vehicle

Category

Price Range

Nokian Surpass AS01
255/40R21 102W XL | In stock

Category
All Season
Vehicle
Passenger
Mileage Warranty
55k

Load Index
1874 lbs (102)
Max Speed
168 MPH (W)
Load Range
Extra (XL)
UTQG
560AAA
Wet Traction
AA
Tread Depth
10/32nds
Inflation Pressure
51 PSI
Part Number
T433400
Tire Weight
30.9 lbs
Section Width
10.2"
Rim Range
8.50-10.00"
Overall Diameter
29"

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Nokian Hakkapeliitta R5 EV
255/40R21 102T XL | In stock

Category
Winter
Electric Vehicle Optimized
null
Mileage Warranty
N/A

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255/40R21 nokian Tires

Nokian Surpass AS01255/40R21 102W XL | In stock

CategoryAll SeasonVehiclePassengerMileage Warranty55k

Load Index1874 lbs (102)Max Speed168 MPH (W)Load RangeExtra (XL)UTQG560AAAWet TractionAATread Depth10/32ndsInflation Pressure51 PSIPart NumberT433400Tire Weight30.9 lbsSection Width10.2"Rim Range8.50-10.00"Overall Diameter29"