Special Vehicle Notes
When searching by tire size alone, please be aware that the displayed results may not be applicable (or recommended) for your vehicle due to several factors (including but not limited to size, speed rating, load capacity, intended service conditions, etc.).
To view MICHELIN® recommended tire options for your vehicle click "Search by Vehicle" and enter the required information.
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Browse all tiresHow to find your size
All the tire size information is located on your tires’ sidewall.

- 255
- 55
- 18
- 97
- T
Width
Also called Section Width, this is the width of the tire (or thickness) in millimetres, if measured from a tire’s widest point of its outer sidewall to the widest point of its inner sidewall. Why millimetres? It originated in Europe, which uses the metric system.
Ratio
This identifies the tire’s aspect ratio, which is the relationship of the tire’s sidewall height to the tire’s width. In this example, the sidewall height of the tire is 55% of its width. The lower the ratio, the smaller the sidewall height, which means better cornering, but a rougher ride.
Diameter
This number (in inches) indicates that the tire is designed to fit on a wheel with an 18-inch diameter.
Load Index
This indicates how much weight the tire is certified to carry at maximum safe inflation. It doesn’t mean 97 pounds, because it’s actually an assigned value that corresponds with its “actual” load capacity found on a load index chart. If you look up 97 on the chart, you’ll find 1,609 pounds.
Speed Index
This indicates the maximum safe speed at which a tire is certified to carry a load under specified conditions. Speed ratings range from A (lowest) to Y (highest), with one exception: H falls between U and V. Exceeding the lawful speed limit is neither recommended or endorsed.
LTX™ A/S™
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- Fuel efficient
- Long lasting
- Kilometers warranty: 95,000 kilometers. See warranty for details.
- Standard Limited Warranty: 6 years
Why should you consider this tire?
Better fuel efficiency than leading competitors* .
Fuel-efficient EnergySaver Construction™ results in an easier rolling tire to help lower fuel consumption and reduce carbon emissions from your engine.

Long-lasting even tread wear.
MaxTouch Construction™ maximizes the tire's contact with the road and evenly distributes the forces of acceleration, braking and cornering, resulting in longer wear.

Steel-belt durability.
Steel belts provides incredible durability and strength to handle loads.
Michelin always aims to bring together multiple performances.
At MICHELIN®, we continuously push safety, durability and fuel efficiency, and even more performances, all at the same time and with no trade-offs. That’s what we mean by MICHELIN® Total PerformanceTM, which has and will always be our difference on every tire.
Warranties

These MICHELIN® tires carry a 95,000 kilometer limited warranty in addition to the standard materials and workmanship warranty for treadwear or mileage.
Download PDF Version of Warranty
All MICHELIN® tires have a Standard Manufacturer's Limited Warranty, which covers defects in workmanship and materials for the life of the original usable tread, or for 6 years from date of purchase, whichever occurs first.
Download PDF Version of WarrantyAvailable Versions for LTX™ A/S™
18"
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- CLOUD, getReviews, 39ms
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Need some extra help
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Need some extra help
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CONTACT USChat with us
You can chat with an advisor at all times using our chat tool.
8am - 7pm EST (Mon-Fri) and 9am - 1pm EST (Sat).
- *Comparisons based on fuel efficiency testing between MICHELIN® LTX® A/S tires, Bridgestone® Dueler® H/T 684, and Goodyear® Wrangler® SR-A tires. Fuel savings are estimates based on comparative rolling resistance. Actual on-road savings may vary.
TT = Traditional Tread, NT = New Tread
>>The dimensions shown are average tire design values for tires measured on specified measuring rim widths. Some tires may vary from this value by +/- 3% of the section height (affecting overall diameter), and +/- 4% of the section width.
WARNING: Serious or fatal injury may result from improper mounting, from underinflation/overinflation/overloading or from tire damage due to abusive use.
Michelin North America (Canada) Inc. doe not endorse the operation of any vehicle in an unsafe or unlawful manner. Excceding the safe, legal speed limit is neither recommended nor endorsed.
IMPORTANT: While all-season tires are designed to provide reliable performance in moderate winter conditions, the use of four (4) tires is recommended for optimal preformance and may be mandatory in certain jurisdictions.
DANGER: Never mount a 14" diameter tire on a 14.5" rim, or a 15" diameter tire on a 15.5" rim, or a 16" diameter tire on a 16.5" rim, or a 17" diameter tire on 17.5" rim, or a 19" diameter tire on a 19.5" rim, or a 22" diameter tire on a 22.5" rim, or a 24" diameter tire on a 24.5" rim.
Passenger sizes in Light Truck/SUV applications have reduced load capacity. This will differ from the maximum load branded on the tire sidewall.