2015 Lexus IS

midsize luxury car / 4-door sedan

Crashworthiness

Rating overview
Evaluation criteria	Rating
Moderate overlap front: original test
Side: original test
Roof strength

Crash avoidance & mitigation

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

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 2014-25 models

Tested vehicle: 2014 Lexus IS 250 4-door

The Lexus IS was redesigned for the 2014 model year. Moderate overlap frontal ratings are assigned by the Institute based on a test conducted by Toyota.

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	VTF1310
Footwell intrusion
Footrest (cm)	8
Left (cm)	8
Center (cm)	8
Right (cm)	4
Brake pedal (cm)	8
Instrument panel rearward movement
Left (cm)	0
Right (cm)	0
Steering column movement
Upward (cm)	0
Rearward (cm)	-6
A-pillar rearward movement (cm)	1

Evaluation criteria	Measurement
Test ID	VTF1310
Head
HIC-15	187
Peak gs at hard contact	no contact
Neck
Tension (kN)	1.9
Extension bending moment (Nm)	8
Maximum Nij	0.31
Chest maximum compression (mm)	30
Legs
Femur force - left (kN)	1.9
Femur force - right (kN)	2.0
Knee displacement - left (mm)	3
Knee displacement - right (mm)	3
Maximum tibia index - left	0.68
Maximum tibia index - right	0.54
Tibia axial force - left (kN)	3.2
Tibia axial force - right (kN)	3.0
Foot acceleration (g)
Left	62
Right	54

About the original moderate overlap front test

Side: original test

Rating applies to 2014-25 models

Tested vehicle: 2014 Lexus IS 250 4-door with standard front and rear head curtain airbags and standard front and rear seat-mounted torso airbags

The Lexus IS was redesigned for the 2014 model year. Side ratings are assigned by the Institute based on a test conducted by Toyota.

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	VTS1306
B-pillar to longitudinal centerline of driver's seat (cm)	-17.0
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.

Evaluation criteria	Measurement
Test ID	VTS1306
Head HIC-15	345
Neck
Tension (kN)	0.7
Compression (kN)	0.2
Shoulder
Lateral deflection (mm)	46
Lateral force (kN)	1.2
Torso
Maximum deflection (mm)	26
Average deflection (mm)	23
Maximum deflection rate (m/s)	4.04
Maximum viscous criterion (m/s)	0.37
Pelvis
Iliac force (kN)	1.4
Acetabulum force (kN)	1.6
Combined force (kN)	3.0
Left femur
L-M force (kN)	0.4
L-M moment (Nm)	110
A-P moment (Nm)	72

Evaluation criteria	Measurement
Test ID	VTS1306
Head HIC-15	67
Neck
Tension (kN)	0.3
Compression (kN)	0.5
Shoulder
Lateral deflection (mm)	21
Lateral force (kN)	0.9
Torso
Maximum deflection (mm)	12
Average deflection (mm)	12
Maximum deflection rate (m/s)	1.26
Maximum viscous criterion (m/s)	0.05
Pelvis
Iliac force (kN)	1.2
Acetabulum force (kN)	1.2
Combined force (kN)	2.4
Left femur
L-M force (kN)	0.4
L-M moment (Nm)	93
A-P moment (Nm)	35