See also:

Tire replacement requirements
Your vehicle is equipped with tires designed to provide a safe ride and handling capability. WARNING: Only use replacement tires and wheels that are the same size, load index, speed rating and ty ...

Overview
Better handling, increased power, improved fuel efficiency, additional standard equipment, more refinement and new technologies that help drivers reduce accident risks provide luxury customers with ...

Performance
A big SUV is all about imposing looks and a muscular engine. The Navigator has the looks part down, but the 300-horsepower V-8 engine seems woefully lacking in the power department, especially at ...