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315/35R21 Tires Getting the correct tire size is crucial when buying new tires. While tire size does not dictate the specific characteristics each tire has, it is something that cannot be neglected when searching for your next tire set. Each tire size consists of numbers and letters that have specific meanings. The different components of the tire size together determine on which vehicles and in what type of applications these tires can be used. Learn more about what each section of the tire size means.
315/35R21 Tire Size Explanation
315 - This number represents the tire’s width in millimeters, measured from one shoulder to the other. In this case, the tire’s width is 315 mm (12.4 inches).
35 - The aspect ratio is expressed as a percentage of the tire’s height to its width. A 35-aspect ratio means that the tire’s height is 35% of its width (in this case it is 110.25 mm / 4.34 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 315/35R21 Tires: Apart from the tire size, drivers must consider multiple other factors as well, before deciding which tires to purchase. Here are some things to look into:
Vehicle Compatibility: Check the owner’s manual for the tire size suitable for your vehicle, as 315/35R21 tires might not work for it.
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: The optimized tread pattern of 315/35R21 tires helps improve the vehicle’s performance and driving safety.
Budget: Create a reasonable budget and stick with it. This will narrow down your options, while also preventing you from overspending.
Brand and Quality: Depending on the tire brand you purchase, you will get different quality tires. For this reason, it is important to do some research before buying the tires.
Load and Speed Rating: Find suitable tire load and speed ratings for your vehicle. If they do not match your vehicle, they will not work for you.
Tire Maintenance Consistent tire maintenance helps lengthen the usability and durability of each 315/35R21 tire. Make sure to check your tires regularly.
Conclusion: 315/35R21 tires are a popular in the U.S. tire market, as they are suitable for a wide range of vehicles. These tires make sure that they offer the best possible handling, traction, and driving durability in versatile applications. If you wish to purchase these tires, make sure to check out all of the options available and buy the set that suits your driving habits, the road and weather conditions in your area, and, most importantly, your vehicle’s needs. With proper tire maintenance, your 315/35R21’s service life will be maximized.
Your Selections:
Load Range
XL
MSRP
$508.75
per tire
$454.99
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SKU
N1582007-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
W
Performance
High Performance
MPN
110157034
Overall Diameter
29.7
Season
All Season
Aspect Ratio
35
Brand
Yokohama
UTQG
520AA
Run Flat
No
Rebate Available
Yes
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
Geolandar X-CV G057
Rim Diameter
21
Treadlife/Mileage
50,000 miles
MSRP
$567.75
per tire
$468.99
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SKU
N990513-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
1020786
Overall Diameter
29.7
Season
Summer
Aspect Ratio
35
Brand
Hankook
UTQG
420AA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
Ventus S1 Evo3 SUV
Rim Diameter
21
MSRP
$749.75
per tire
$624.60
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SKU
N1340484-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
V
Performance
Performance
MPN
2603700
Overall Diameter
29.7
Season
All Season
Aspect Ratio
35
Brand
Pirelli
UTQG
520AA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
Scorpion Verde All Season
Rim Diameter
21
MSRP
$623.75
per tire
$506.99
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SKU
N1149304-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
009178
Overall Diameter
29.7
Season
Summer
Aspect Ratio
35
Brand
Bridgestone
UTQG
300AA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
Dueler H/P Sport
Rim Diameter
21
MSRP
$671.75
per tire
$595.40
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SKU
N1165901-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
2634400
Overall Diameter
29.7
Season
Summer
Aspect Ratio
35
Brand
Pirelli
UTQG
220AAA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
P Zero
Rim Diameter
21
MSRP
$660.75
per tire
$556.93
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SKU
N1058454-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
2751300
Overall Diameter
29.7
Season
Summer
Aspect Ratio
35
Brand
Pirelli
UTQG
N/A
Run Flat
Yes
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
P Zero Run Flat (PZ4)
Rim Diameter
21
MSRP
$484.75
per tire
$432.99
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SKU
N1477849-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
1023816
Overall Diameter
29.7
Season
Summer
Aspect Ratio
35
Brand
Hankook
UTQG
220AA
Run Flat
Yes
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
Ventus S1 Evo3 SUV HRS
Rim Diameter
21
MSRP
$245.75
per tire
$199.99
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SKU
N1504407-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
W
Performance
High Performance
MPN
1200055158
Overall Diameter
29.7
Season
All Season
Aspect Ratio
35
Brand
Accelera
UTQG
400AA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
Iota ST68
Rim Diameter
21
Treadlife/Mileage
35,000 miles
MSRP
$1,007.75
per tire
$823.74
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SKU
N1536154-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
V
Performance
Touring
MPN
110193370
Overall Diameter
29.7
Season
All Season
Aspect Ratio
35
Brand
Yokohama
UTQG
440AA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
AVID GT S35A
Rim Diameter
21
MSRP
$209.75
per tire
$168.74
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SKU
N1546194-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
AGS123
Overall Diameter
29.7
Season
All Season
Aspect Ratio
35
Brand
Arroyo
UTQG
500AA
Run Flat
No
Rebate Available
No
Country of Origin
Thailand
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
Grand Sport A/S
Rim Diameter
21
Treadlife/Mileage
40,000 miles
MSRP
$591.75
per tire
$496.74
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SKU
N1566679-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
03574310000
Overall Diameter
29.7
Season
Summer
Aspect Ratio
35
Brand
Continental
UTQG
280AAA
Run Flat
Yes
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
PremiumContact 6 SSR
Rim Diameter
21
MSRP
$691.75
per tire
$557.82
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SKU
N1568430-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
4102800
Overall Diameter
29.7
Season
Summer
Aspect Ratio
35
Brand
Pirelli
UTQG
300AAA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
P Zero (PZ4)
Rim Diameter
21
MSRP
$527.75
per tire
$428.71
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SKU
N1500538-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
V
Performance
Touring
MPN
03572880000
Overall Diameter
29.7
Season
All Season
Aspect Ratio
35
Brand
Continental
UTQG
400AA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
ProContact TX
Rim Diameter
21
MSRP
$682.75
per tire
$550.08
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SKU
N1498827-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
3253500
Overall Diameter
29.7
Season
Summer
Aspect Ratio
35
Brand
Pirelli
UTQG
280AAA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
P Zero (PZ4)
Rim Diameter
21
MSRP
$997.75
per tire
$825.99
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SKU
N1149469-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
3267300
Overall Diameter
29.7
Season
Summer
Aspect Ratio
35
Brand
Pirelli
UTQG
N/A
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
P Zero Corsa (PZC4)
Rim Diameter
21
MSRP
$238.75
per tire
$192.99
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SKU
N1661761-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
ARSS102
Overall Diameter
29.7
Season
All Season
Aspect Ratio
35
Brand
American Roadstar
UTQG
500AA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
Sport A/S
Rim Diameter
21
Treadlife/Mileage
40,000 miles
MSRP
$309.75
per tire
$254.74
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SKU
N1664049-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
LXSTRFX213502
Overall Diameter
29.7
Season
All Season
Aspect Ratio
35
Brand
Lexani
UTQG
500AA
Run Flat
Yes
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
RFX Plus
Rim Diameter
21
MSRP
$215.75
per tire
$179.99
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SKU
N1685908-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
W
Performance
High Performance
MPN
CLS16
Overall Diameter
29.7
Season
All Season
Aspect Ratio
35
Brand
Crosswind
UTQG
520AA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
Ultra Sport+
Rim Diameter
21
Treadlife/Mileage
50,000 miles
MSRP
$692.75
per tire
$569.69
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SKU
N1669635-99
Type
Truck/SUV
Road Hazard Warranty
No
Load Range
XL
Speed Rating
Y
Performance
High Performance
MPN
4121100
Overall Diameter
29.7
Season
Summer
Aspect Ratio
35
Brand
Pirelli
UTQG
280AAA
Run Flat
No
Rebate Available
No
Country of Origin
N/A
Sidewall
BSW: Black Side Wall
Size
315/35R21
Load Index
111
Section Width
315
Model
P Zero (PZ4) Sport
Rim Diameter
21
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