Jeep WK Grand Cherokee's fitted with the 3.7-liter engine offer 210 horsepower at 5,200 rpm. Jeep WK's with the 4.7-liter engine offer 235 horsepower at 4,500 rpm. Models with the 5.7-liter engine offer 330 horsepower at 5,000 rpm.
The 3.7-liter Jeep WK can produce 235 foot-pounds of torque at 4,000 rpm. The Jeep WK that features the 4.7-liter engine offers 305 foot-pounds of torque at 3,600 rpm. The 5.7-liter models can produce 375 foot-pounds of torque at 4,000 rpm.
The 3.7-liter Jeep WK models offer 16 mpg city, and 21 mpg highway. The 4.7-liter WK model's fuel economy offers 14 mpg city, and 20 mpg highway. Jeep Grand Cherokee WK models, with the 5.7-liter engine, offer 14 mpg city, and 21 mpg highway fuel economy.