Lowest price
Accelera Iota St68
255/50R21
All-seasonPassenger
Price
$165.96
at SimpleTire4.6(8,900)
Excl. install
Price
$165.96
at SimpleTire
255/50R21Tires
15 prices · 9 brands · 1 retailers · Updated 1 month ago
Cheapest Price
$165.96
at SimpleTire (excl. installation)
Prices updated: July 6, 2026
15 of 15 offers for 255/50R21
Price comparison: 255/50R21
Showing 8 of 15 tires
Price
$175.96
at SimpleTire4.6(8,900)
Excl. install
Price
$175.96
at SimpleTire
Nexen N Fera Sport
255/50R21
Load109 · 2,271 lbsSpeedY · 186 mph
All-seasonPassenger
Price
$294.80
at SimpleTire4.6(8,900)
Excl. install
Price
$294.80
at SimpleTire
Bridgestone Alenza 001
255/50R21
Load109 · 2,271 lbsSpeedY · 186 mph
SummerPassenger
Price
$333.30
at SimpleTire4.6(8,900)
Excl. install
Price
$333.30
at SimpleTire
Bridgestone Alenza Sport A S
255/50R21
Load106 · 2,094 lbsSpeedH · 130 mph
All-seasonPassenger
Price
$366.30
at SimpleTire4.6(8,900)
Excl. install
Price
$366.30
at SimpleTire
Hankook Ion Evo As Suv Ih01a
255/50R21
Load109 · 2,271 lbsSpeedY · 186 mph
All-seasonPassenger
Price
$405.99
at SimpleTire4.6(8,900)
Excl. install
Price
$405.99
at SimpleTire
Goodyear Eagle Touring
255/50R21
Load109 · 2,271 lbsSpeedH · 130 mph
All-seasonPassenger
Price
$409.99
at SimpleTire4.6(8,900)
Excl. install
Price
$409.99
at SimpleTire
Pirelli P Zero E Elect
255/50R21
Load109 · 2,271 lbsSpeedY · 186 mph
SummerPassenger
Price
$411.99
at SimpleTire4.6(8,900)
Excl. install
Price
$411.99
at SimpleTire
Prices per tire · Sales tax may apply · Updated 1 month ago · Submit a price correction
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What Does 255/50R21 Mean?
255
Width
millimetres
50
Profile
% of width
21
Rim
inches
A 255mm wide tire with a sidewall height equal to 50% of the width (127.5mm), fitting a 21-inch rim, a common passenger tire size in the US market.
FAQ: 255/50R21 Tires
Where can I buy 255/50R21 tires online in the USA?+
The cheapest 255/50R21 tires we track start at $165.96 from SimpleTire. Tire Rack, SimpleTire, Priority Tire, and other national retailers ship nationwide; use the table above to compare.
How much does a 255/50R21 tire cost in the USA?+
255/50R21 tires typically range from about $165.96 for value brands up to $365.11 or more for premium performance tires. Installation is usually $15–$25 per tire extra.
Is 255/50R21 the right tire for my car?+
Check your door-jamb sticker or owner's manual. Many vehicles that use 255/50R21 also have approved alternative sizes; see our vehicle fitment pages for common models.
How much does tire installation cost for 255/50R21?+
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 255/50R21 the same as 255/50R21?+
Yes, same size. Both describe a 255mm wide tire with a 50% sidewall on a 21-inch rim.
Related Tire Sizes
Looking for a specific brand? Accelera, Gripmax, Nexen, Bridgestone. City hubs: Houston, Los Angeles, Chicago, New York. Seasons: all-season, winter.