Goodyear

Eagle F1 Supersport

Name: Goodyear Eagle F1 Supersport 255/45R21
Brand: Goodyear
SKU: 112141696
Price: 301.49 USD
Availability: InStock

255/45R21

Summer

$301.49/tire $401.99

Set of 4: $1205.96

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Specifications

Size	255/45R21 Eagle F1 Supersport
Width	255 mm
Aspect ratio	45
Rim diameter	R21
Load index	106
Speed rating	Y
Load range	SL

Season	Summer
UTQG	240 A A
Tread depth	9/32"
Weight	21.58 lbs
Severe snow (3PMSF)	No
Run-flat	No

About the Goodyear Eagle F1 Supersport

Summer Ultra High Performance Passenger Car tire.

Features

* Innovative U-shaped compound* Power shoulder technology* Powerline cover* Super-stiff sidewall design* Goodyear 60-Day Satisfaction Guarantee

Benefits

* Creates specialist power zones to improve wet and dry performance* Tire shoulders feature more rubber and less cutaway tread than conventional rivals which maximises contact with the tarmac* High-speed stability is improved by using materials that resist deformation where the rubber meets the road* Increases the direction connection from steering wheel to road surface for boosted performance

Understanding the 255/45R21 size

In the size code 255/45R21, 255 is the section width in millimetres (about 10"). 45 is the aspect ratio — the sidewall height is 45% of the width, or roughly 114.8 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 30".

The load index 106 means each tire supports up to 2,094 lbs — about 8,376 lbs across a full set of four. The speed symbol Y certifies the tire to 186 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.

What the Goodyear Eagle F1 Supersport is built for

The Goodyear Eagle F1 Supersport is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. Fitment category: Passenger Car, CAR, Performance, UHP.

Tread life and grip ratings

This tire carries a UTQG rating of 240 A A. The treadwear grade of 240 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade A measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).

Price and value

At $301.49 per tire, a full set of four costs $1205.96. That is about 16% below the average price of the 12 tires we stock in this size.

Frequently asked questions

What does the tire size 255/45R21 mean?

255 is the section width in millimetres, 45 is the aspect ratio (sidewall height as a percentage of width, about 114.8 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 30 inches.

What are the load and speed ratings of the Goodyear Eagle F1 Supersport 255/45R21?

Its load index of 106 allows up to 2,094 lbs per tire. Its speed rating of Y is certified to 186 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.

How much does a set of 4 Goodyear Eagle F1 Supersport 255/45R21 tires cost?

A single tire is $301.49 and a set of four is $1205.96.

Can the Goodyear Eagle F1 Supersport be used in winter?

No. This is a summer tire and it is not rated for severe snow service. Its compound stiffens as temperatures approach freezing, so fit winter or all-weather tires for cold-season driving.

Does the Eagle F1 Supersport come in other sizes?

Yes — we stock 44 additional Eagle F1 Supersport sizes besides 255/45R21. Fit only a size approved for your vehicle.