As for 2005, Jeep released the Grand Cherokee WK as the third generation of the Grand Cherokee range with a world class off-road ability yet an improved on-road manners and finish. Jeep Grand Cherokee WK has a vast array of engines on offer like a 3.7 liter V6 producing 210 horsepower, a 4.7 liter V8 giving 305 horsepower, as well as a very powerful 5.7 liter HEMI V8 with a peak output of 357 horsepower all matched to a As for fans of excellent performance, the SRT8 version had a 6.1-liter HEMI V8 with 420 horsepower. Advanced four wheeler drives like Quadra-Trac I, Quadra-Trac II, and the hi-end Quadra-Drive II with higher traction and stability on various grounds were installed in Jeep Grand Cherokee WK. The Jeep Grand Cherokee WK did not keep the multilink suspension but retained a solid rear axle which gave better articulation for serious off-road action. Not having an air suspension system, the Jeep Grand Cherokee WK has solid suspension systems that can be used for daily driving as well as for trail use. To keep factory performance, reliability and warranty in place, owners should pick genuine Jeep OEM parts that come with original equipment considerations and desired fit and longevity. Jeep's Grand Cherokee WK continues to be in the limelight as one of the prime vehicle choices for off roaders and those who are looking at a practical versatile SUV.