Lowest price
Atlas Force Uhp
315/35R21
Load111 · 2,403 lbsSpeedW · 168 mph
All-seasonPassenger
Price
$155.99
at SimpleTire4.6(8,900)
Excl. install
Price
$155.99
at SimpleTire
315/35R21Tires
29 prices · 16 brands · 1 retailers · Updated 1 month ago
Cheapest Price
$155.99
at SimpleTire (excl. installation)
Prices updated: July 6, 2026
29 of 29 offers for 315/35R21
Price comparison: 315/35R21
Showing 8 of 29 tires
Crosswind Ultra Sport Plus
315/35R21
Load111 · 2,403 lbsSpeedW · 168 mph
All-seasonPassenger
Price
$172.96
at SimpleTire4.6(8,900)
Excl. install
Price
$172.96
at SimpleTire
Price
$181.96
at SimpleTire4.6(8,900)
Excl. install
Price
$181.96
at SimpleTire
American Roadstar Sport As
315/35R21
All-seasonPassenger
Price
$186.96
at SimpleTire4.6(8,900)
Excl. install
Price
$186.96
at SimpleTire
Price
$186.96
at SimpleTire4.6(8,900)
Excl. install
Price
$186.96
at SimpleTire
Price
$196.96
at SimpleTire4.6(8,900)
Excl. install
Price
$196.96
at SimpleTire
Atturo Az850
315/35R21
Load111 · 2,403 lbsSpeedY · 186 mph
All-seasonPassenger
Price
$206.96
at SimpleTire4.6(8,900)
Excl. install
Price
$206.96
at SimpleTire
Falken Azenis Fk460 A S
315/35R21
All-seasonPassenger
Price
$321
at SimpleTire4.6(8,900)
Excl. install
Price
$321
at SimpleTire
Prices per tire · Sales tax may apply · Updated 1 month ago · Submit a price correction
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What Does 315/35R21 Mean?
315
Width
millimetres
35
Profile
% of width
21
Rim
inches
A 315mm wide tire with a sidewall height equal to 35% of the width (110.3mm), fitting a 21-inch rim, a common passenger tire size in the US market.
FAQ: 315/35R21 Tires
Where can I buy 315/35R21 tires online in the USA?+
The cheapest 315/35R21 tires we track start at $155.99 from SimpleTire. Tire Rack, SimpleTire, Priority Tire, and other national retailers ship nationwide; use the table above to compare.
How much does a 315/35R21 tire cost in the USA?+
315/35R21 tires typically range from about $155.99 for value brands up to $343.18 or more for premium performance tires. Installation is usually $15–$25 per tire extra.
Is 315/35R21 the right tire for my car?+
Check your door-jamb sticker or owner's manual. Many vehicles that use 315/35R21 also have approved alternative sizes; see our vehicle fitment pages for common models.
How much does tire installation cost for 315/35R21?+
Most US tire shops charge $15–$25 per tire for mount and balance. Wheel alignment is often $75–$150 extra. Retailers like Tire Rack let you ship to a local installer at checkout.
Is 315/35R21 the same as 315/35R21?+
Yes, same size. Both describe a 315mm wide tire with a 35% sidewall on a 21-inch rim.
Related Tire Sizes
Looking for a specific brand? Atlas, Crosswind, Arroyo, American Roadstar. City hubs: Houston, Los Angeles, Chicago, New York. Seasons: all-season, winter.