2014 Chevrolet Impala
large car / 4-door sedan
Moderate overlap front: original test
Tested vehicle: 2014 Chevrolet Impala LS 4-door
Rating applies to 2014-20 models
The Chevrolet Impala was redesigned for the 2014 model year. Moderate overlap frontal ratings are assigned by the Institute based on a test conducted by General Motors.
| Evaluation criteria | Rating |
|---|---|
| Overall evaluation | |
| Structure and safety cage | |
| Driver injury measures | |
| Head/neck | |
| Chest | |
| Leg/foot, left | |
| Leg/foot, right | |
| Driver restraints and dummy kinematics | |
Technical measurements for this test
Measures of occupant compartment intrusion on driver side
| Evaluation criteria | Measurement |
|---|---|
| Test ID | VTF1225 |
| Footwell intrusion | |
| Footrest (cm) | 4 |
| Left (cm) | 8 |
| Center (cm) | 10 |
| Right (cm) | 7 |
| Brake pedal (cm) | 2 |
| Instrument panel rearward movement | |
| Left (cm) | 0 |
| Right (cm) | 0 |
| Steering column movement | |
| Upward (cm) | -2 |
| Rearward (cm) | -8 |
| A-pillar rearward movement (cm) | 0 |
Driver injury measures
| Evaluation criteria | Measurement |
|---|---|
| Test ID | VTF1225 |
| Head | |
| HIC-15 | 230 |
| Peak gs at hard contact | no contact |
| Neck | |
| Tension (kN) | 1.1 |
| Extension bending moment (Nm) | 4 |
| Maximum Nij | 0.27 |
| Chest maximum compression (mm) | 27 |
| Legs | |
| Femur force - left (kN) | 0.6 |
| Femur force - right (kN) | 1.9 |
| Knee displacement - left (mm) | 0 |
| Knee displacement - right (mm) | 1 |
| Maximum tibia index - left | 0.55 |
| Maximum tibia index - right | 0.47 |
| Tibia axial force - left (kN) | 2.9 |
| Tibia axial force - right (kN) | 4.4 |
| Foot acceleration (g) | |
| Left | 48 |
| Right | 90 |
Side: original test
Tested vehicle: 2014 Chevrolet Impala LT 4-door with standard front and rear head curtain airbags and standard front and rear seat-mounted torso airbags
Rating applies to 2014-20 models
The Chevrolet Impala was redesigned for the 2014 model year. Side ratings are assigned by the Institute based on a test conducted by General Motors.
| Evaluation criteria | Rating |
|---|---|
| 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 | |
Technical measurements for this test
Measures of occupant compartment intrusion on driver side
| Test ID | VTS1233 |
|---|---|
| B-pillar to longitudinal centerline of driver's seat (cm) | -19.5 |
| Negative numbers indicate the amount by which the crush stopped short of the seat centerline. | |
Driver injury measures
| Evaluation criteria | Measurement |
|---|---|
| Test ID | VTS1233 |
| Head HIC-15 | 316 |
| Neck | |
| Tension (kN) | 1.5 |
| Compression (kN) | 0.9 |
| Shoulder | |
| Lateral deflection (mm) | 40 |
| Lateral force (kN) | 1.7 |
| Torso | |
| Maximum deflection (mm) | 39 |
| Average deflection (mm) | 35 |
| Maximum deflection rate (m/s) | 4.20 |
| Maximum viscous criterion (m/s) | 0.67 |
| Pelvis | |
| Iliac force (kN) | 1.1 |
| Acetabulum force (kN) | 2.0 |
| Combined force (kN) | 3.1 |
| Left femur | |
| L-M force (kN) | 1.1 |
| L-M moment (Nm) | 78 |
| A-P moment (Nm) | -21 |
Passenger injury measures
| Evaluation criteria | Measurement |
|---|---|
| Test ID | VTS1233 |
| Head HIC-15 | 113 |
| Neck | |
| Tension (kN) | 0.2 |
| Compression (kN) | 0.6 |
| Shoulder | |
| Lateral deflection (mm) | 15 |
| Lateral force (kN) | 1.0 |
| Torso | |
| Maximum deflection (mm) | 19 |
| Average deflection (mm) | 14 |
| Maximum deflection rate (m/s) | 2.19 |
| Maximum viscous criterion (m/s) | 0.14 |
| Pelvis | |
| Iliac force (kN) | 0.4 |
| Acetabulum force (kN) | 2.6 |
| Combined force (kN) | 2.8 |
| Left femur | |
| L-M force (kN) | 0.4 |
| L-M moment (Nm) | 108 |
| A-P moment (Nm) | -29 |
Roof strength
Tested vehicle: 2017 Chevrolet Impala 1LT 4-door
Rating applies to 2014-20 models
| Overall evaluation | |
|---|---|
| Curb weight | 3,745 lbs |
| Peak force | 16,836 lbs |
| Strength-to-weight ratio | 4.50 |
Head restraints & seats
Seat type: Power leather seat
| Overall evaluation | |
|---|---|
| Dynamic rating | |
| Seat/head restraint geometry |
Technical measurements for this test
| Seat type | Power leather seat |
|---|---|
| Geometry | |
| Backset (mm) | 15 |
| Distance below top of head (mm) | 17 |
| Seat design parameters | |
| Pass/fail | Pass |
| Max T1 acceleration (g) | 13.1 |
| Head contact time (ms) | 56 |
| Force rating | 1 |
| Neck forces | |
| Max neck shear force (N) | 1 |
| Max neck tension (N) | 446 |
About the head restraint & seat test
Currently, IIHS tests apply only to front seats.
Front crash prevention: vehicle-to-vehicle
Ratings are given for 2 different trim variations available on this vehicle.