Write a Review
Pirelli
Pirelli P Zero (PZ5) 315/40R21 111Y - 4262300
Pirelli P Zero (PZ5) 315/40R21 111Y - 4262300
📧 Get Fitment Help
Verify parts fit & get product recommendations
Lease-to-own for as low as
/week
Get Started
Guaranteed to Fit — confirm your size with the fitment checker on this page
Price Match Guarantee Learn More
Free Mount & Balance
Free Shipping
IN STOCK (53 wheels)
📧 Get Fitment Help
Verify parts fit & get product recommendations
Shop the Pirelli P Zero (PZ5) 315/40R21 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 315/40R21 means
In the size 315/40R21, 315 is the section width in millimeters (12.40 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 126.0 mm (4.96 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 30.92 inches, turning roughly 652 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The service description on this tire decodes to a load index of 111 — a maximum load of 2,403 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 315/40R21 |
| Tire Type | Summer |
| Service Description | 111Y |
| Load Index | 111 |
| Speed Rating | Y |
| Load Range | Standard Load |
| Section Width (mm) | 315 |
| Aspect Ratio | 40 |
| Overall Diameter (in) | 30.91 |
| Tread Depth (/32") | 10 |
| Treadwear | 280 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 280AAA |
Frequently asked questions
What are the treadwear and warranty ratings on the Pirelli P Zero (PZ5)?
This tire carries a treadwear grade of 280, traction grade AA, temperature grade A under UTQG.
What does 111Y mean on the Pirelli P Zero (PZ5)?
111Y breaks down as load index 111 — rated for 2,403 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
What kind of tire is the Pirelli P Zero (PZ5)?
The Pirelli P Zero (PZ5) in 315/40R21 is a summer tire.
Keep shopping
Browse Pirelli tires, see every Pirelli P Zero (PZ5) size, or view all tires at ThreePiece.us.
- BRAND:
- Pirelli
- Model:
- P Zero (PZ5)
- Size:
- 315/40R21
- Aspect Ratio:
- 40
- Load Index:
- 111
- Load Range:
- Standard Load
- Section Width:
- 315
- Service Description:
- 111Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 30.91
- Tire Type:
- Summer
- Traction:
- AA
- Tread Wear:
- 280
- Tread Depth:
- 10
- UQTG:
- 280AAA
PRODUCT REVIEWS (0)
Overall Rankings
Have you tried this product?
WRITE A REVIEWNo reviews for this product yet. Be the first to write a review!
Write a Review