Ultra Grip Performance+ SCT
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Specifications
| Size | 255/35R21 XL Ultra Grip Performance+ SCT |
|---|---|
| Width | 255 mm |
| Aspect ratio | 35 |
| Rim diameter | R21 |
| Load index | 98 |
| Speed rating | V |
| Load range | XL |
| Season | Winter |
|---|---|
| Tread depth | 10/32" |
| Weight | 29.98 lbs |
| Max pressure | 50 psi |
| Severe snow (3PMSF) | Yes |
| Run-flat | No |
About the Goodyear Ultra Grip Performance+ SCT
Winter High Performance Original Equipment Passenger Car tire with SoundComfort Technology (SCT) for Fitment on Tesla Model Y.
Features
* SoundComfort Technology (SCT)* FP - Rim Protection* Carries the Three-Peak Mountain Snowflake (3PMSF) symbol
Benefits
* To help reduce the level of interior vehicle noise, offering passengers a quieter, more comfortable ride* Meets the required performance criteria for Use in Severe Snow Conditions
Understanding the 255/35R21 XL size
In the size code 255/35R21, 255 is the section width in millimetres (about 10"). 35 is the aspect ratio — the sidewall height is 35% of the width, or roughly 89.3 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 28".
The load index 98 means each tire supports up to 1,653 lbs — about 6,612 lbs across a full set of four. The speed symbol V certifies the tire to 149 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 Ultra Grip Performance+ SCT is built for
The Goodyear Ultra Grip Performance+ SCT is a winter tire, using a cold-weather compound that stays pliable below 45°F (7°C) where all-season rubber hardens and loses grip. It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it passed a standardised severe-snow traction test. Fitment category: Passenger Car, Performance, HP.
Price and value
At $331.49 per tire, a full set of four costs $1325.96. That sits close to the average for the 34 tires we stock in this size.
Frequently asked questions
What does the tire size 255/35R21 mean?
255 is the section width in millimetres, 35 is the aspect ratio (sidewall height as a percentage of width, about 89.3 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 28 inches.
What are the load and speed ratings of the Goodyear Ultra Grip Performance+ SCT 255/35R21 XL?
Its load index of 98 allows up to 1,653 lbs per tire. Its speed rating of V is certified to 149 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 Ultra Grip Performance+ SCT 255/35R21 XL tires cost?
A single tire is $331.49 and a set of four is $1325.96.
Is the Goodyear Ultra Grip Performance+ SCT rated for snow?
Yes. It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it met a standardised severe snow traction test and is built as a dedicated winter tire.
Does the Ultra Grip Performance+ SCT come in other sizes?
Yes — we stock 3 additional Ultra Grip Performance+ SCT sizes besides 255/35R21 XL. Fit only a size approved for your vehicle.