Pirelli

Scorpion MS

Name: Pirelli Scorpion MS 245/45R21 XL
Brand: Pirelli
SKU: 4120500
Price: 364.34 USD
Availability: InStock

245/45R21 XL

All-Season

$364.34/tire $485.78

Set of 4: $1457.36

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Specifications

Size	245/45R21 XL Scorpion MS (KS) NCS
Width	245 mm
Aspect ratio	45
Rim diameter	R21
Load index	104
Speed rating	V
Load range	XL

Season	All-Season
UTQG	500 A A
Tread depth	10/32"
Weight	28.27 lbs
Max pressure	50 psi
Severe snow (3PMSF)	No
Run-flat	No

About the Pirelli Scorpion MS

All-Season Passenger SUV and CUV Touring tire. ELECT™ Marked tires are Specifically Developed for Electric and Plug-In Hybrid Vehicles.

Features

* Custom pitch sequence* Shoulder grooves with variable sections* Longer sipes* Variable tread depth profile* Pirelli Noise Cancelling System™ (NCS) - select items only* Pirelli ELECT™ (ELT) electric/hybrid tire technology – select items only

Benefits

* Engineered to deliver a supremely quiet and comfortable ride* Provide better braking and traction* Designed to increase the tread's capacity to trap snow, improving overall snow performance* For optimized tread stiffness and uniform wear* Significantly reduces noise inside the vehicle - select items only

Understanding the 245/45R21 XL size

In the size code 245/45R21, 245 is the section width in millimetres (about 9.6"). 45 is the aspect ratio — the sidewall height is 45% of the width, or roughly 110.3 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 29.7".

The load index 104 means each tire supports up to 1,984 lbs — about 7,936 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 MS is built for

The Pirelli Scorpion MS is an all-season tire, balancing dry grip, wet traction and tread life across spring, summer and autumn conditions. It is classified for highway terrain(h/t) use.

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 $364.34 per tire, a full set of four costs $1457.36. That is about 15% above the average of the 11 tires we stock in this size, reflecting its position in the range.

Frequently asked questions

What does the tire size 245/45R21 mean?

245 is the section width in millimetres, 45 is the aspect ratio (sidewall height as a percentage of width, about 110.3 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 29.7 inches.

What are the load and speed ratings of the Pirelli Scorpion MS 245/45R21 XL?

Its load index of 104 allows up to 1,984 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 MS 245/45R21 XL tires cost?

A single tire is $364.34 and a set of four is $1457.36.

Does the Scorpion MS come in other sizes?

Yes — we stock 20 additional Scorpion MS sizes besides 245/45R21 XL. Fit only a size approved for your vehicle.