2012 Lexus HS 250h

Tested vehicle: 2010 Lexus HS 250h 4-door
Rating applies to 2010-12 models

The Lexus HS 250h was introduced in the 2010 model year and is derived from the Toyota Prius. Frontal ratings are assigned by the Institute based on a test conducted by Toyota.

Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Evaluation criteria	Measurement
Test ID	VTF0911
Footwell intrusion
Footrest (cm)	5
Left (cm)	8
Center (cm)	14
Right (cm)	9
Brake pedal (cm)	6
Instrument panel rearward movement
Left (cm)	2
Right (cm)	2
Steering column movement
Upward (cm)	0
Rearward (cm)	-3
A-pillar rearward movement (cm)	2

Driver injury measures

Evaluation criteria	Measurement
Test ID	VTF0911
Head
HIC-15	146
Peak gs at hard contact	no contact
Neck
Tension (kN)	1.2
Extension bending moment (Nm)	16
Maximum Nij	0.29
Chest maximum compression (mm)	26
Legs
Femur force - left (kN)	1.2
Femur force - right (kN)	1.8
Knee displacement - left (mm)	1
Knee displacement - right (mm)	2
Maximum tibia index - left	0.46
Maximum tibia index - right	0.57
Tibia axial force - left (kN)	2.5
Tibia axial force - right (kN)	3.2
Foot acceleration (g)
Left	73
Right	108

About the original moderate overlap front test

Tested vehicle: 2010 Lexus HS 250h 4-door with standard front and rear head curtain airbags and standard front and rear seat-mounted torso airbags
Rating applies to 2010-12 models

The Lexus HS 250h was introduced in the 2010 model year and is derived from the Toyota Prius.

Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID	CES1007
B-pillar to longitudinal centerline of driver's seat (cm)	-13.5
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.

Driver injury measures

Evaluation criteria	Measurement
Test ID	CES1007
Head HIC-15	384
Neck
Tension (kN)	0.9
Compression (kN)	0.2
Shoulder
Lateral deflection (mm)	50
Lateral force (kN)	2.2
Torso
Maximum deflection (mm)	39
Average deflection (mm)	23
Maximum deflection rate (m/s)	2.75
Maximum viscous criterion (m/s)	0.63
Pelvis
Iliac force (kN)	1.4
Acetabulum force (kN)	1.3
Combined force (kN)	2.4
Left femur
L-M force (kN)	0.7
L-M moment (Nm)	191
A-P moment (Nm)	47

Passenger injury measures

Evaluation criteria	Measurement
Test ID	CES1007
Head HIC-15	32
Neck
Tension (kN)	0.2
Compression (kN)	0.4
Shoulder
Lateral deflection (mm)	10
Lateral force (kN)	0.6
Torso
Maximum deflection (mm)	20
Average deflection (mm)	15
Maximum deflection rate (m/s)	1.52
Maximum viscous criterion (m/s)	0.14
Pelvis
Iliac force (kN)	0.4
Acetabulum force (kN)	2.3
Combined force (kN)	2.6
Left femur
L-M force (kN)	0.4
L-M moment (Nm)	149
A-P moment (Nm)	-18

About the original side crash test

Tested vehicle: 2010 Lexus HS 250h 4-door
Rating applies to 2010-12 models

Seat type: Power leather seats (AHR) built. after May 2010

Technical measurements for this test

Seat type	Power leather seats (AHR) mfg. after May 2010
Geometry
Backset (mm)	37
Distance below top of head (mm)	44
Seat design parameters
Pass/fail	Fail
Max T1 acceleration (g)	15.4
Head contact time (ms)	75
Force rating	2
Neck forces
Max neck shear force (N)	151
Max neck tension (N)	618

About the head restraint & seat test
Currently, IIHS tests apply only to front seats.