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Pirelli
Pirelli Scorpion MS 255/40R20XL 101W - 4236100
Pirelli Scorpion MS 255/40R20XL 101W - 4236100
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Shop the Pirelli Scorpion MS 255/40R20 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 255/40R20 means
In the size 255/40R20, 255 is the section width in millimeters (10.04 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 102.0 mm (4.02 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 28.03 inches, turning roughly 719 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 101 — a maximum load of 1,819 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 255/40R20XL |
| Tire Type | All Season |
| Service Description | 101W |
| Load Index | 101 |
| Speed Rating | W |
| Load Range | Extra Load |
| Section Width (mm) | 255 |
| Aspect Ratio | 40 |
| Overall Diameter (in) | 28.03 |
| Tread Depth (/32") | 10 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 500AA |
Frequently asked questions
What are the treadwear and warranty ratings on the Pirelli Scorpion MS?
This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG.
What does 101W mean on the Pirelli Scorpion MS?
101W breaks down as load index 101 — rated for 1,819 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
What kind of tire is the Pirelli Scorpion MS?
The Pirelli Scorpion MS in 255/40R20 is a all season tire.
Keep shopping
Shop all 255/40R20 tires, browse Pirelli tires, see every Pirelli Scorpion MS size, or view all tires at ThreePiece.us.
- BRAND:
- Pirelli
- Model:
- Scorpion MS
- Size:
- 255/40R20XL
- Aspect Ratio:
- 40
- Load Index:
- 101
- Load Range:
- Extra Load
- Section Width:
- 255
- Service Description:
- 101W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 28.03
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 500
- Tread Depth:
- 10
- UQTG:
- 500AA
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