The 2005 Jeep Grand Cherokee WK commemorates the third-generation model of the brand's iconic truck-based crossover vehicle. It debuted with three engine choices, three four-wheel drivetrains, and ...

Owing to its simplistic cam-in-block design, Jeep’s 4.0-liter straight-six is known for two things: Unflappable reliability and a lack of power. Its maximum of 190 horsepower and 235 pound-feet of ...

Jeep’s 4.0-liter straight-six engine is iconic. Much like the Ford 300, it’s a down-and-dirty truck engine that stayed in production for decades. Also like the Ford 300, it can make a ton of power ...

The 4.0-liter straight-six made famous for its use in Jeeps in the Eighties and Nineties is known for many things, but power isn't one of them. It's a workhorse motor, meant to take abuse and run ...