Treadwear
The Treadwear grade is a comparative rating, based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would wear one and one-half times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices, and differences in road characteristics and climate.
See also:
Hill Climbing
Hill climbing requires good judgment and a good understanding of your abilities
and your vehicle’s limitations.
Hills can cause serious problems. Some are just too steep to climb and should
not ...
2009 Jeep Liberty review
When you're driving around in an SUV, it's a good bet that you're not going
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Four–Wheel Drive Models
The manufacturer recommends towing with all wheels OFF the ground. Acceptable
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