Scorpion Zero All Season
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Specifications
| Size | 315/40ZR21 XL Scorpion Zero ALL Season (L) |
|---|---|
| Width | 315 mm |
| Aspect ratio | 40 |
| Rim diameter | R21 |
| Load index | 115 |
| Speed rating | (Y) |
| Load range | XL |
| Season | All-Season |
|---|---|
| UTQG | 500 A A |
| Tread depth | 10/32" |
| Weight | 36 lbs |
| Max pressure | 50 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Pirelli Scorpion Zero All Season
All-Season High Performance Passenger SUV tire.
Features
* High sipe density and curved sipes* Optimized tread design with curved grooves and bridges* Four longitudinal grooves* Lower tread depth* High silica content with latest generation of polymer and special additives* Flatter profile designed through computer modelling* Pirelli Noise Cancelling System™ (NCS) - select items only* Pirelli ELECT™ (ELT) electric/hybrid tire technology – select items only
Benefits
* Increased safety and control on snow* Better grip on snow* Increased safety on dry and wet roads* Increases dry braking performance* Provides excellent balance of performance, rolling resistance and wear and optimizes curing and mechanical properties* Optimizes pressure distribution on footprint to maximize braking and wear performance* Significantly reduces noise inside the vehicle - select items only
Understanding the 315/40ZR21 XL size
In the size code 315/40R21, 315 is the section width in millimetres (about 12.4"). 40 is the aspect ratio — the sidewall height is 40% of the width, or roughly 126 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 30.9".
The load index 115 means each tire supports up to 2,679 lbs — about 10,716 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 Pirelli Scorpion Zero All Season is built for
The Pirelli Scorpion Zero All Season is an all-season tire, balancing dry grip, wet traction and tread life across spring, summer and autumn conditions. It carries an M+S (mud and snow) marking for light winter service. Fitment category: Passenger Car, SUV/CUV.
Tread life and grip ratings
This tire carries a UTQG rating of 500 A A. The treadwear grade of 500 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 $576.53 per tire, a full set of four costs $2306.12. That is about 39% above the average of the 29 tires we stock in this size, reflecting its position in the range.
Frequently asked questions
What does the tire size 315/40R21 mean?
315 is the section width in millimetres, 40 is the aspect ratio (sidewall height as a percentage of width, about 126 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 30.9 inches.
What are the load and speed ratings of the Pirelli Scorpion Zero All Season 315/40ZR21 XL?
Its load index of 115 allows up to 2,679 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 Pirelli Scorpion Zero All Season 315/40ZR21 XL tires cost?
A single tire is $576.53 and a set of four is $2306.12.
Does the Scorpion Zero All Season come in other sizes?
Yes — we stock 112 additional Scorpion Zero All Season sizes besides 315/40ZR21 XL. Fit only a size approved for your vehicle.