Test details:The Jeep Liberty was introduced in the 2002 model year as a replacement for the Jeep Cherokee.The Insurance Institute for Highway Safety has evaluated the crashworthiness of the Liberty in two 40 mph frontal offset crash tests into deformable barriers. In the first test, the airbag deployed late because an airbag sensor wire shorted out early in the crash. This led DaimlerChrysler to develop a fix for this problem by shielding the wiring, and the manufacturer has initiated a recall. The Institute tested a second Liberty with the fix and the airbag inflated much earlier. Ratings of the Liberty are based on the results of the second test, except structural performance is based on both tests.Restraints/dummy kinematics — Dummy movement was reasonably well controlled in the second test. The dummy's head leaned out the open side window during rebound, then it hit the window frame.Injury measures — In the second test, measures taken from the chest indicate low risk of injuries to this body region in a crash of this severity. Forces on the head and neck indicate that injuries to the head and neck would be possible. Forces on the left tibia indicate that injuries to the lower leg would be possible. Head acceleration from the window frame hit was negligible. Additional features:Side airbags: front and rear head curtain airbags (optional) Electronic stability control (standard beginning with 2006 models) Antilock brakes (standard beginning with 2006 models, optional on 2002-05 models) Tested vehicle specifications:2002 Jeep Liberty Sport 4wd Class: Midsize SUV Weight: 4,100 lbs. Side airbags: none Wheelbase: 104 in. Length: 174 in. Width: 72 in. Engine: 3.7 L V6 EPA ratings: 16 mpg city | 20 mpg highway

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