See also:

Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended can cause persistent, heavy “spark knock.” (“Spark knock” is a metallic rapping noise.) If severe, this can lead to eng ...

Traction AA, A, B and C
The traction grades, from highest to lowest, are AA, A, B and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified govern ...

An Outdated Cabin
Full-size truck interior quality has made huge strides in recent years, but compact and midsize trucks — which mostly sell in smaller volumes than do full-size ones — haven't received the same ...