The Michelin Pilot Sport A/S 4 in size 245/40ZR18 is a quiet, long-wearing all-season tire for year-round driving in dry, wet and light winter conditions. Sold and shipped by BMD Tires.
Key Features
- All-season tread compound engineered to stay pliable across a wide temperature range
- Circumferential grooves help evacuate water to resist hydroplaning
- Optimised tread pitch sequencing for lower road noise
- Symmetric pattern allows straightforward rotation for even wear
Specifications
| Brand | Michelin |
|---|---|
| Model | Pilot Sport A/S 4 |
| Tire Size | 245/40ZR18 |
| Section Width | 245 mm |
| Aspect Ratio | 40% |
| Rim Diameter | 18 in |
| Load Index | 93 |
| Speed Rating | Y (up to 186 mph) |
| Season | All Season |
| Vehicle Type | Passenger Car |
| SKU | MCH89946 |
Frequently Asked Questions
What does 245/40ZR18 mean?
245 is the section width in millimetres, 40 is the aspect ratio (sidewall height as a percentage of the width), R indicates radial construction and 18 is the rim diameter in inches.
What do the numbers 93Y mean?
93 is the load index, which corresponds to the maximum load each tire is rated to carry, and Y is the speed rating, rated up to 186 mph. Always match or exceed the load index and speed rating printed on your vehicle placard.
Is this the right tire for my driving?
This model is designed for year-round driving in dry, wet and light winter conditions. If you are unsure, check your vehicle placard for the correct size, load index and speed rating before ordering.


