Scorpion Winter
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Specifications
| Size | 315/45R21 Scorpion Winter (MO1) KS |
|---|---|
| Width | 315 mm |
| Aspect ratio | 45 |
| Rim diameter | R21 |
| Load index | 116 |
| Speed rating | V |
| Load range | SL |
| Season | Winter |
|---|---|
| Tread depth | 10/32" |
| Weight | 51.17 lbs |
| Max pressure | 51 psi |
| Severe snow (3PMSF) | Yes |
| Run-flat | No |
About the Pirelli Scorpion Winter
Winter Passenger SUV/CUV tire.
Features
* Circumferential grooves: two and four groove version* New mould profile* Directional and symmetric tread pattern design with modular block geometry and sipe layout* New tread pattern compound with innovative materials* Pirelli Noise Cancelling System™ (NCS) - select items only* Pirelli Seal Inside™ (S-I) puncture proof technology - select items only* Pirelli ELECT™ (ELT) electric/hybrid tire technology – select items only* M+S Rated* Carries the Three-Peak Mountain Snowflake (3PMSF) symbol
Benefits
* Improved handling on snowy surfaces and reduces the braking distance in all winter driving conditions* Improves traction, lateral force during cornering, slalom and lane change situations* Excellent wet handling and wet braking performance* 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 315/45R21 size
In the size code 315/45R21, 315 is the section width in millimetres (about 12.4"). 45 is the aspect ratio — the sidewall height is 45% of the width, or roughly 141.8 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 32.2".
The load index 116 means each tire supports up to 2,756 lbs — about 11,024 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 Pirelli Scorpion Winter is built for
The Pirelli Scorpion Winter 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, SUV/CUV.
Price and value
At $439.42 per tire, a full set of four costs $1757.68.
Frequently asked questions
What does the tire size 315/45R21 mean?
315 is the section width in millimetres, 45 is the aspect ratio (sidewall height as a percentage of width, about 141.8 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 32.2 inches.
What are the load and speed ratings of the Pirelli Scorpion Winter 315/45R21?
Its load index of 116 allows up to 2,756 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 Pirelli Scorpion Winter 315/45R21 tires cost?
A single tire is $439.42 and a set of four is $1757.68.
Is the Pirelli Scorpion Winter 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 Scorpion Winter come in other sizes?
Yes — we stock 137 additional Scorpion Winter sizes besides 315/45R21. Fit only a size approved for your vehicle.