Pirelli
Winter Sottozero 3
355/25R21 XL
Winter
3PMSF
M+S
$957.19/tire
$1276.25
Set of 4: $3828.76
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Specifications
| Size | 355/25R21 XL Winter Sottozero 3 (L) |
|---|---|
| Width | 355 mm |
| Aspect ratio | 25 |
| Rim diameter | R21 |
| Load index | 107 |
| Speed rating | W |
| Load range | XL |
| Season | Winter |
|---|---|
| Tread depth | 10/32" |
| Weight | 33 lbs |
| Max pressure | 50 psi |
| Severe snow (3PMSF) | Yes |
| Run-flat | No |
About the Pirelli Winter Sottozero 3
Winter High Performance Passenger Car tire Dedicated to High-End Premium Vehicles.
Features
* 3D sipe technology* Wider grooves* Higher sipes density* Directional double arrows pattern design* Functionalized compound* Pirelli Noise Cancelling System™ (NCS) - select items only* Pirelli Seal Inside™ (S-I) puncture proof technology - select items only* M+S Rated* Carries the Three-Peak Mountain Snowflake (3PMSF) symbol
Benefits
* Improved handling on dry road condition, reducing the braking distance* Excellent wet handling and braking performance* Better grip on snow road condition* Higher traction on snow condition* High grip in all winter weather conditions* Significantly reduces noise inside the vehicle - select items only* Allows you to drive on without losing air pressure even after the tire has been punctured by an external object - select items only* Meets the required performance criteria for Use in Severe Snow Conditions
Understanding the 355/25R21 XL size
In the size code 355/25R21, 355 is the section width in millimetres (about 14"). 25 is the aspect ratio — the sidewall height is 25% of the width, or roughly 88.8 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 28".
The load index 107 means each tire supports up to 2,149 lbs — about 8,596 lbs across a full set of four. The speed symbol W certifies the tire to 168 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 Pirelli Winter Sottozero 3 is built for
The Pirelli Winter Sottozero 3 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, CAR, Performance, HP.
Price and value
At $957.19 per tire, a full set of four costs $3828.76. That sits close to the average for the 6 tires we stock in this size.
Frequently asked questions
What does the tire size 355/25R21 mean?
355 is the section width in millimetres, 25 is the aspect ratio (sidewall height as a percentage of width, about 88.8 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 Pirelli Winter Sottozero 3 355/25R21 XL?
Its load index of 107 allows up to 2,149 lbs per tire. Its speed rating of W is certified to 168 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 Pirelli Winter Sottozero 3 355/25R21 XL tires cost?
A single tire is $957.19 and a set of four is $3828.76.
Is the Pirelli Winter Sottozero 3 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 Winter Sottozero 3 come in other sizes?
Yes — we stock 74 additional Winter Sottozero 3 sizes besides 355/25R21 XL. Fit only a size approved for your vehicle.
Other sizes of this model
205/40R18 XL — $231.01
205/45R17 XL — $180.64
205/50R17 XL — $120.63
215/60R18 — $186.11
225/40R18 XL — $165.62
225/40R18 XL — $177.43
225/40R19 XL — $233.77
225/40R19 XL — $248.72
225/40R19 XL — $239.29
225/40R19 XL — $237.35
225/45R17 — $161.43
225/45R18 — $180.14
225/45R18 XL — $177.51
225/45R18 XL — $184.38
225/45R18 XL — $176.94
225/45R18 XL — $177.51
225/45R19 XL — $308.57
225/50R17 XL — $132.82
225/50R17 XL — $157.11
225/50R18 — $223.43
225/50R18 XL — $194.72
225/55R17 — $141.90
225/55R17 — $136.27
225/60R18 XL — $198.70
235/35R19 XL — $265.67
235/35R20 XL — $321.29
235/35R20 XL — $346.52
235/40R18 XL — $187.54
235/40R19 XL — $197.99
235/40R19 XL — $283.95
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