Pilot Sport 4 SUV
🚚 Standard shipping across the country — delivered with DHL in 2-6 business days. 🔒 SSL-secured checkout.
↩️ Free returns within 30 days — unmounted tires, prepaid label, no return shipping cost.
Specifications
| Size | 325/40R21 Pilot Sport 4 Suv |
|---|---|
| Width | 325 mm |
| Aspect ratio | 40 |
| Rim diameter | R21 |
| Load index | 113 |
| Speed rating | Y |
| Load range | SL |
| Season | Summer |
|---|---|
| UTQG | 220 A A |
| Treadwear warranty | 20,000 miles |
| Tread depth | 9.5/32" |
| Weight | 28.04 lbs |
| Max pressure | 50 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Michelin Pilot Sport 4 SUV
Summer Ultra High Performance Passenger Car tire.
Features
* Asymmetrical tread pattern - external part for dry conditions, internal part for wet roads* Rigid blocks on the tread pattern* High density double casing* Hybrid belt made of aramid and nylon* Premium Touch finish sidewall design* Deep rim protector* 20,000 Mile/30,000 km Manufacturer's Treadwear Limited Warranty (Speed Rating: Y,W,V,H)* Standard Manufacturer's Limited Warranty
Benefits
* For outstanding grip and safety* Optimized for longevity* For tire robustness* Help protect the sidewall and steel belts* Provides a dark velvet effect on the external sidewall* Guards against light wheel damage
Understanding the 325/40R21 size
In the size code 325/40R21, 325 is the section width in millimetres (about 12.8"). 40 is the aspect ratio — the sidewall height is 40% of the width, or roughly 130 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 31.2".
The load index 113 means each tire supports up to 2,535 lbs — about 10,140 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 Michelin Pilot Sport 4 SUV is built for
The Michelin Pilot Sport 4 SUV is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. Fitment category: Passenger Car, SUV/CUV, Performance, UHP.
Tread life and grip ratings
This tire carries a UTQG rating of 220 A A. The treadwear grade of 220 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 $431.99 per tire, a full set of four costs $1727.96. Backed by a 20,000-mile treadwear warranty, that works out to roughly $86.40 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 325/40R21 mean?
325 is the section width in millimetres, 40 is the aspect ratio (sidewall height as a percentage of width, about 130 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 31.2 inches.
What are the load and speed ratings of the Michelin Pilot Sport 4 SUV 325/40R21?
Its load index of 113 allows up to 2,535 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 Michelin Pilot Sport 4 SUV 325/40R21 tires cost?
A single tire is $431.99 and a set of four is $1727.96, covered by a 20,000-mile treadwear warranty.
Can the Michelin Pilot Sport 4 SUV be used in winter?
No. This is a summer tire and it is not rated for severe snow service. Its compound stiffens as temperatures approach freezing, so fit winter or all-weather tires for cold-season driving.
Does the Pilot Sport 4 SUV come in other sizes?
Yes — we stock 89 additional Pilot Sport 4 SUV sizes besides 325/40R21. Fit only a size approved for your vehicle.