Lowest price
Continental Xl
275/45R21
Load110 · 2,337 lbsSpeedW · 168 mph
All-seasonPassenger
Price
$50
at Tire Agent4.8(19,237)
Excl. install
Price
$50
at Tire Agent
275/45R21Tires
27 prices · 17 brands · 2 retailers · Updated 1 month ago
Cheapest Price
$50
at Tire Agent (excl. installation)
Prices updated: July 15, 2026
27 of 27 offers for 275/45R21
Price comparison: 275/45R21
Showing 8 of 27 tires
Atlas Force Uhp
275/45R21
Load110 · 2,337 lbsSpeedW · 168 mph
All-seasonPassenger
Price
$140.99
at SimpleTire4.6(8,900)
Excl. install
Price
$140.99
at SimpleTire
Lionhart Lh Ten
275/45R21
Load110 · 2,337 lbsSpeedW · 168 mph
All-seasonPassenger
Price
$148.96
at SimpleTire4.6(8,900)
Excl. install
Price
$148.96
at SimpleTire
Price
$160.96
at SimpleTire4.6(8,900)
Excl. install
Price
$160.96
at SimpleTire
Price
$168.96
at SimpleTire4.6(8,900)
Excl. install
Price
$168.96
at SimpleTire
Price
$177.96
at SimpleTire4.6(8,900)
Excl. install
Price
$177.96
at SimpleTire
Price
$183.96
at SimpleTire4.6(8,900)
Excl. install
Price
$183.96
at SimpleTire
Delinte Ds8
275/45R21
Load110 · 2,337 lbsSpeedY · 186 mph
All-seasonPassenger
Price
$190.96
at SimpleTire4.6(8,900)
Excl. install
Price
$190.96
at SimpleTire
Prices per tire · Sales tax may apply · Updated 1 month ago · Submit a price correction
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What Does 275/45R21 Mean?
275
Width
millimetres
45
Profile
% of width
21
Rim
inches
A 275mm wide tire with a sidewall height equal to 45% of the width (123.8mm), fitting a 21-inch rim, a common passenger tire size in the US market.
FAQ: 275/45R21 Tires
Where can I buy 275/45R21 tires online in the USA?+
The cheapest 275/45R21 tires we track start at $50 from Tire Agent. Tire Rack, SimpleTire, Priority Tire, and other national retailers ship nationwide; use the table above to compare.
How much does a 275/45R21 tire cost in the USA?+
275/45R21 tires typically range from about $50 for value brands up to $110 or more for premium performance tires. Installation is usually $15–$25 per tire extra.
Is 275/45R21 the right tire for my car?+
Check your door-jamb sticker or owner's manual. Many vehicles that use 275/45R21 also have approved alternative sizes; see our vehicle fitment pages for common models.
How much does tire installation cost for 275/45R21?+
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 275/45R21 the same as 275/45R21?+
Yes, same size. Both describe a 275mm wide tire with a 45% sidewall on a 21-inch rim.
Related Tire Sizes
Looking for a specific brand? Continental, Atlas, Lionhart, Lexani. City hubs: Houston, Los Angeles, Chicago, New York. Seasons: all-season, winter.