JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Toggle Nav

My Cart

Home
By Size
325/30R21

325/30R21 Tires

Without tires you cannot drive your vehicle. That much is known. But what is the first thing you need to consider when buying new tires? The simple answer is the tire size. Every tire has a tire size, which consists of numbers and letters – all telling us important information of the tire width, sidewall, and rim diameter. All of these determine what type of characteristics the tires can offer.

325/30R21 Tire Size Explanation

325 - This number represents the tire’s width in millimeters, measured from one shoulder to the other. In this case, the tire’s width is 325 mm (12.8 inches).
30 - The aspect ratio is expressed as a percentage of the tire’s height to its width. A 30-aspect ratio means that the tire’s height is 30% of its width (in this case it is 97.5 mm / 3.84 inches).
R - This indicates that the tire was manufactured with a radial construction, which is the most common tire construction type used today.
21 - This last number denotes the diameter of the wheel in inches. This tire was manufactured to be mounted on 21-inch (533.4 mm) wheels.

Factors to Consider When Choosing 325/30R21 Tires:

When shopping for tires, choose the ones that work best for your vehicle. However, tire size is not the only thing you need to keep in mind when shopping for new tires.

Vehicle Compatibility:

Match the tire size to your vehicle. Check whether 325/30R21 tires will work with it and purchase tires of the right tire size.

Tire Type:

After deciding on the tire size, figure out whether you need snow tires or all season tires (maybe even summer tires) for your specific application.

Tread Pattern:

325/30R21 tires feature a specially designed tread patterns. This enables the tire’s performance in versatile weather conditions.

Budget:

Create a reasonable budget and stick with it. This will narrow down your options, while also preventing you from overspending.

Brand and Quality:

Research the tires you are interested in before finalizing your purchase. Get the quality tires that work best for your vehicle.

Load and Speed Rating:

Matching load ranges, load indexes, and speed ratings to the vehicle’s needs is crucial to ensure a secure performance.

Tire Maintenance

Proper tire maintenance is crucial to ensure the tire’s lengthened usability. This helps protect the tires from tread and external damage.

Conclusion:

For a popular but diverse fit, 325/30R21 tires are ideal. They can be used on various vehicles, depending on their load and speed ranges. Yet, 325/30R21 tires are still able to offer the necessary traction, handling, and durability in different applications. Make sure these tires are the right fit for your vehicle’s needs, driving habits, and weather or road conditions, and they will serve you for a long time.

Arroyo Grand Sport A/S 325/30R21 ZR 110Y XL AS All Season Tire

Arroyo Grand Sport A/S 325/30R21 ZR 110Y XL AS All Season Tire

325/30R21

All Season

High Performance

40,000 miles

In Stock (10+)

MSRP $240.75 per tire $198.99

In Stock (10+)

Qty

Add to Wish List Compare

Enter your zip code for delivery times

Show tire specifications Hide tire specifications

SKU	N1546188-99
Type	Truck/SUV
Road Hazard Warranty	No
Load Range	XL
Speed Rating	Y
Performance	High Performance
MPN	AGS124
Overall Diameter	28.7
Season	All Season
Aspect Ratio	30
Brand	Arroyo
UTQG	500AA
Run Flat	No
Rebate Available	No
Country of Origin	Thailand
Sidewall	BSW: Black Side Wall
Size	325/30R21
Load Index	110
Section Width	325
Model	Grand Sport A/S
Rim Diameter	21
Treadlife/Mileage	40,000 miles

American Roadstar Sport A/S 325/30R21 ZR 110Y XL AS All Season Tire

American Roadstar Sport A/S 325/30R21 ZR 110Y XL AS All Season Tire

325/30R21

All Season

High Performance

40,000 miles

In Stock (10+)

MSRP $228.75 per tire $198.99

In Stock (10+)

Qty

Add to Wish List Compare

Enter your zip code for delivery times

Show tire specifications Hide tire specifications

SKU	N1661762-99
Type	Truck/SUV
Road Hazard Warranty	No
Load Range	XL
Speed Rating	Y
Performance	High Performance
MPN	ARSS103
Overall Diameter	28.7
Season	All Season
Aspect Ratio	30
Brand	American Roadstar
UTQG	500AA
Run Flat	No
Rebate Available	No
Country of Origin	N/A
Sidewall	BSW: Black Side Wall
Size	325/30R21
Load Index	110
Section Width	325
Model	Sport A/S
Rim Diameter	21
Treadlife/Mileage	40,000 miles

Delivered By