In 2002, Jeep introduced the Liberty as a replacement for the aging Cherokee fleet. It would become the most economical car in the lineup, designed to mold popular Cherokee trim levels and engine displacements into one all-around SUV. In 2003, Jeep revamped the interior design of the Liberty by adding a few tweaks, new safety items, a six-disc CD changer, all-wheel disc brakes, a tachometer on the gauge cluster and a few other minor changes. The 2004 Liberty now offered passenger grab-handles as well as a new tire pressure monitoring system, and featured the UConnect for hands-free cellphone conversation. This model year also introduced several new trims, like the Jeep Liberty Columbia Edition, new wheels, and new exterior options like fog lights, a sun roof and body moldings. In 2005, Jeep introduced a diesel engine option, added a new fascia on the front, a new grill, fog lights, fender flares and side moldings. The interior gauge cluster was also updated, and new off-road features, like rock rails and skid plates were offered as options. A six-speed manual was introduced to replace the five-speed manual transmission, too. No major changes were made for the 2006 model year. In 2007, Jeep discontinued the Renegade trim and ditched the 2.8-liter diesel engine as well. In 2008, Jeep completely redesigned the Liberty, adding a new four-wheel-drive system and using higher quality materials. Jeep also introduced the Sky Slider sunroof.
The carmaker now offered a lifetime powertrain warranty as well. The 2009 model year saw a few minor changes made to the interior and exterior of the Liberty. In 2010, Jeep added the new Renegade trim and made minor changes to the vehicle. The 2011 Liberty was updated with a new steering wheel and updates were made to the infotainment console as well. In 2012, Jeep added the Jet trim and Artic trim, and offered parking sensors as an upgrade for all vehicles.