News Culture Builds Tuner Boosts Jeep 4.0L Inline-Six Past 1,000 HP—And It’s Not Done Yet The engine now makes 900 hp more than it did when it left the factory. Caleb Jacobs Feb 7, 2024 4:02 ...

In the years since, Jeep has passed into the hands of Kaiser American Motors and Chrysler, with its 4.0L engine design amongst the most sought-after and reliably bought models.

In the case of the 4.6L Jeep stroker engine, the extra stroke gained 0.6-liter over the stock 4.0L inline six-cylinder, one of Jeep's greatest engines in use from 1987 to 2006.

News Racing 4.0L Four-Cylinder Racing Engine Makes 2,000+ HP Welcome to the world of custom racing engines with performance specs as wild as their price tags.

There are very few things Jeep enthusiasts can agree upon. Very few. But one thing is for sure -- the 4.0L, six-cylinder engine was a flat-out kick-ass engine.

As delivered in bone-stock trim the ’91-’06 High-Output 4.0L engine found in Jeep Wrangler, Cherokee, Grand Cherokee, and Comanche vehicles generally lays down 130-140hp and 175-185 lb-ft at ...

The 2007 four-wheel-drive Jeep Compass lists at $17,175, making it one of the most affordable four-wheel-drive vehicles available in the United States. When the standard 2.4L engine is paired with the ...