Rebate
Pilot Sport All Season 4
🚚 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 | 275/45R21 XL Pilot Sport ALL Season 4 |
|---|---|
| Width | 275 mm |
| Aspect ratio | 45 |
| Rim diameter | R21 |
| Load index | 110 |
| Speed rating | V |
| Load range | XL |
| Season | All-Season |
|---|---|
| Treadwear warranty | 45,000 miles |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Michelin Pilot Sport All Season 4
All-Season Ultra High Performance Passenger Car tire.
Features
* Dynamic Response Technology* Asymmetric tread pattern* Distinctive full depth and interlocking sipes* Helio+ technology* Biting edges in the tread grooves* M+S Rated* 45,000 Mile/70,000 km Manufacturer's Treadwear Limited Warranty - Speed Rating: V, W, Y* 30,000 Mile/50,000 km Manufacturer's Treadwear Limited Warranty - Speed Rating: (Y)* Standard Manufacturer's Limited Warranty
Benefits
* Ensures forces and temperatures are distributed evenly for longer wear life* Places more rubber on the outer shoulder to deliver exceptional lateral grip* Provide biting edges for improved traction in wet and snowy conditions* Advanced rubber grips the road even in freezing conditions* Grab loose snow to help control acceleration and braking in winter conditions
Understanding the 275/45R21 XL size
In the size code 275/45R21, 275 is the section width in millimetres (about 10.8"). 45 is the aspect ratio — the sidewall height is 45% of the width, or roughly 123.8 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 30.7".
The load index 110 means each tire supports up to 2,337 lbs — about 9,348 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 Michelin Pilot Sport All Season 4 is built for
The Michelin Pilot Sport All Season 4 is an all-season tire, balancing dry grip, wet traction and tread life across spring, summer and autumn conditions. Fitment category: Passenger Car, CAR, Performance, UHP.
Price and value
At $383.99 per tire, a full set of four costs $1535.96. That is about 24% above the average of the 73 tires we stock in this size, reflecting its position in the range. Backed by a 45,000-mile treadwear warranty, that works out to roughly $34.13 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 275/45R21 mean?
275 is the section width in millimetres, 45 is the aspect ratio (sidewall height as a percentage of width, about 123.8 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 30.7 inches.
What are the load and speed ratings of the Michelin Pilot Sport All Season 4 275/45R21 XL?
Its load index of 110 allows up to 2,337 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 Michelin Pilot Sport All Season 4 275/45R21 XL tires cost?
A single tire is $383.99 and a set of four is $1535.96, covered by a 45,000-mile treadwear warranty.
Does the Pilot Sport All Season 4 come in other sizes?
Yes — we stock 167 additional Pilot Sport All Season 4 sizes besides 275/45R21 XL. Fit only a size approved for your vehicle.