– All-new from the ground up for 2008, the Jeep Liberty offers two Jeep Trail Rated four-wheel-drive systems — Command-Trac and the all-new Selec-Trac II. On-road ride and handling have been improved and refined with the new independent front suspension, new five-link rear suspension, and rack-and-pinion steering.Making its world debut is the new Sky Slider full-open canvas roof. Remote start, rain-sensing wipers, memory seats and mirrors, and express up/down windows are added as well. There are two models — Jeep Liberty Sport and Jeep Liberty Limited.The 3.7L SOHC V-6 engine produces 210 hp at 5,200 rpm and 235 lb.-ft. of torque at 4,000 rpm. Fuel economy has been improved and now achieves an estimated 16 city (18 mpg using 2007 EPA standards) and 22 mpg on the highway (23 mpg based on 2007 EPA standards).