Jeep has been one of the most influential brands on the market for decades, and fans recognize the manufacturer's model numbers as a way to group vehicles.

the Wrangler has proved its chops since its debut in 1986 with the Wrangler YJ and, as tastes have changed over the subsequent generations, it has grown into an unstoppable force in the SUV market ...

The original YJ Wrangler offered a notoriously reliable 2.5-liter four-cylinder or the 4.2-liter I6 that was the predecessor to the equally revered 4.0. The TJ generation used the 2.5-liter I4 ...