This engine was believed to have come from a 1998 Jeep Grand Cherokee, where it was rated at about 195 horsepower. The Jeep 4.0 inline-six is known for durability but failed here due to neglect.

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 Hurricane engine produced by Stellantis first arrived as a twin-turbocharged inline-six in 2021, and it continues to be used in models like the Jeep Grand Wagoneer and Ram 1500. Boasting V8-like ...

If it's down to this pair of six-cylinder engines, and you can't go wrong with either one.

The Jeep Grand Wagoneer may have just returned from it facelift appointment, but as it turns out, the Grand Cherokee was not far behind it. The Stellantis-owned SUV brand is rapidly updating its ...

Off-road stalwart Jeep is borrowing racetrack technology from its Italian corporate cousin Maserati to boost the power and fuel efficiency of its latest 2.0-liter turbocharged 4-cylinder engine, ...