2014 Chevrolet Impala

large car / 4-door sedan

Crashworthiness

Rating overview
Evaluation criteria	Rating
Moderate overlap front: original test
Side: original test
Roof strength
Head restraints & seats

Crash avoidance & mitigation

Evaluation criteria	Rating
Front crash prevention: vehicle-to-vehicle
Optional system	Superior
Optional system	Basic

Other available safety features

Optional blind spot detection
Optional lane departure warning

Key

G
Good
A
Acceptable
M
Marginal
P
Poor

Superior
Advanced
Basic

Some ratings use a scale of Poor to Good. Others range from Basic to Superior.

Moderate overlap front: original test

Rating applies to 2014-20 models

Tested vehicle: 2014 Chevrolet Impala LS 4-door

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

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

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

About the original moderate overlap front test

Side: original test

Rating applies to 2014-20 models

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

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

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.

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

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

About the original side crash test

Roof strength

Rating applies to 2014-20 models

Tested vehicle: 2017 Chevrolet Impala 1LT 4-door

Overall evaluation
Curb weight	3,745 lbs
Peak force	16,836 lbs
Strength-to-weight ratio	4.50

About the roof strength test

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.

System details

Optional Collision Mitigation Braking
Optional Forward Collision Alert

Package name

Optional Adaptive Cruise Control

Overall evaluation

Applies to 2014-17 models

Superior

with optional equipment

This system meets the requirements for forward collision warning.
In the 12 mph test, this vehicle avoided a collision.
In the 25 mph test, impact speed was reduced by 10 mph.

System details

Optional Forward Collision Alert

Package name

Optional Advanced Safety Package

Overall evaluation

Applies to 2014-15 models

Basic

with optional equipment

This system meets the requirements for forward collision warning.
Autobrake not available.

About the original front crash prevention test