See also:

Uniform Tire Quality Grading System (UTQGS)
This information relates to the tire grading system developed by the U.S. National Highway Traffic Safety Administration for grading tires by tread wear, traction, and temperature performance. ...

Specifications
Engine Electrical System *1 ex factory CAUTION: When cleaning the iridium plugs, do not use a wire brush. The fine particulate coating on the iridium alloy and platinum tips could be damaged. ...

Going & Stopping
All Mazda5s have a 2.3-liter four-cylinder engine that makes 153 horsepower and 148 pounds-feet of torque. It's a smooth-revving unit that's strong enough for its purposes, but it doesn't have a w ...