2011 Jeep Liberty
midsize SUV / 4-door SUV
Moderate overlap front: original test
Rating applies to 2008-12 models
Tested vehicle: 2008 Jeep Liberty Limited 4-door 4wd
The Jeep Liberty was redesigned for the 2008 model year. The Dodge Nitro was introduced in the 2007 model year.
| Overall evaluation | |
|---|---|
| Structure and safety cage | |
| Driver injury measures | |
| Head/neck | |
| Chest | |
| Leg/foot, left | |
| Leg/foot, right | |
| Driver restraints and dummy kinematics |
Action shot taken during the frontal offset crash test.
The dummy's position in relation to the steering wheel and instrument panel after the crash test indicates that the driver's survival space was maintained well.
Smeared greasepaint indicates where the dummy's head brushed the dislodged headliner above the side curtain airbag during rebound. The head also contacted the airbag and head restraint.
Forces on the knee and lower left leg were high enough to indicate the possibility of injuries.
Measures of occupant compartment intrusion on driver side
| Test ID | CEF0724 |
|---|---|
| Footwell intrusion | |
| Footrest (cm) | 4 |
| Left (cm) | 6 |
| Center (cm) | 12 |
| Right (cm) | 5 |
| Brake pedal (cm) | 6 |
| Instrument panel rearward movement | |
| Left (cm) | 1 |
| Right (cm) | 2 |
| Steering column movement | |
| Upward (cm) | 9 |
| Rearward (cm) | -1 |
| A-pillar rearward movement (cm) | 0 |
Driver injury measures
| Test ID | CEF0724 |
|---|---|
| Head | |
| HIC-15 | 269 |
| Peak gs at hard contact | no contact |
| Neck | |
| Tension (kN) | 1.1 |
| Extension bending moment (Nm) | 11 |
| Maximum Nij | 0.26 |
| Chest maximum compression (mm) | 42 |
| Legs | |
| Femur force - left (kN) | 4.6 |
| Femur force - right (kN) | 4.3 |
| Knee displacement - left (mm) | 15 |
| Knee displacement - right (mm) | 9 |
| Maximum tibia index - left | 0.92 |
| Maximum tibia index - right | 0.61 |
| Tibia axial force - left (kN) | 2.0 |
| Tibia axial force - right (kN) | 3.4 |
| Foot acceleration (g) | |
| Left | 102 |
| Right | 66 |
Side: original test
Rating applies to 2008-12 models
Tested vehicle: 2008 Jeep Liberty Limited 4-door 4wd with standard front and rear head curtain airbags
The Jeep Liberty was redesigned for the 2008 model year. The Dodge Nitro was introduced in the 2007 model year.
| Overall evaluation | |
|---|---|
| Structure and safety cage | |
| Driver injury measures | |
| Head/neck | |
| Torso | |
| Pelvis/leg | |
| Driver head protection | |
| Rear passenger injury measures | |
| Head/neck | |
| Torso | |
| Pelvis/leg | |
| Rear passenger head protection | |
View of the vehicle and barrier just after the crash test.
View of the vehicle after the crash with doors removed, showing the side airbag and damage to the occupant compartment.
Smeared greasepaint shows where the driver dummy's head was protected from being hit by hard structures by the side curtain airbag.
Smeared greasepaint shows where the rear passenger dummy’s head was protected by the side airbag.
Measures of occupant compartment intrusion on driver side
| Test ID | CES0743 |
|---|---|
| B-pillar to longitudinal centerline of driver's seat (cm) | -6.5 |
| Negative numbers indicate the amount by which the crush stopped short of the seat centerline. | |
Driver injury measures
| Test ID | CES0743 |
|---|---|
| Head HIC-15 | 148 |
| Neck | |
| Tension (kN) | 1.6 |
| Compression (kN) | 0.1 |
| Shoulder | |
| Lateral deflection (mm) | 34 |
| Lateral force (kN) | 1.8 |
| Torso | |
| Maximum deflection (mm) | 65 |
| Average deflection (mm) | 48 |
| Maximum deflection rate (m/s) | 8.11 |
| Maximum viscous criterion (m/s) | 2.30 |
| Pelvis | |
| Iliac force (kN) | 1.8 |
| Acetabulum force (kN) | 3.1 |
| Combined force (kN) | 4.9 |
| Left femur | |
| L-M force (kN) | 0.5 |
| L-M moment (Nm) | 52 |
| A-P moment (Nm) | 46 |
Passenger injury measures
| Test ID | CES0743 |
|---|---|
| Head HIC-15 | 98 |
| Neck | |
| Tension (kN) | 0.2 |
| Compression (kN) | 0.5 |
| Shoulder | |
| Lateral deflection (mm) | 30 |
| Lateral force (kN) | 1.7 |
| Torso | |
| Maximum deflection (mm) | 35 |
| Average deflection (mm) | 27 |
| Maximum deflection rate (m/s) | 3.16 |
| Maximum viscous criterion (m/s) | 0.63 |
| Pelvis | |
| Iliac force (kN) | 2.2 |
| Acetabulum force (kN) | 2.8 |
| Combined force (kN) | 4.7 |
| Left femur | |
| L-M force (kN) | 0.1 |
| L-M moment (Nm) | 54 |
| A-P moment (Nm) | -30 |
Roof strength
Rating applies to 2008-12 models
Tested vehicle: 2010 Jeep Liberty Limited 4-door 4wd
| Overall evaluation | |
|---|---|
| Curb weight | 4,245 lbs |
| Peak force | 21,073 lbs |
| Strength-to-weight ratio | 4.96 |
Head restraints & seats
Seat type: Manual cloth seats AHR
| Overall evaluation | |
|---|---|
| Dynamic rating | |
| Seat/head restraint geometry |
| Seat type | Manual cloth seats AHR |
|---|---|
| Geometry | |
| Backset (mm) | 38 |
| Distance below top of head (mm) | 32 |
| Seat design parameters | |
| Pass/fail | Pass |
| Max T1 acceleration (g) | 10.8 |
| Head contact time (ms) | 48 |
| Force rating | 2 |
| Neck forces | |
| Max neck shear force (N) | 139 |
| Max neck tension (N) | 554 |
About the head restraint & seat test
Currently, IIHS tests apply only to front seats.