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2006 Lexus IS 250/350

Midsize luxury/near luxury car
  • Small overlap front
    P
  • Moderate overlap front
    G
  • Side
    G
  • Roof strength
    A
  • Head restraints & seats
    A
1
Side airbags: front and rear head curtain airbags and front seat-mounted torso airbags
2
Driver and front passenger knee airbags: separate airbags in the lower instrument panel designed to minimize knee injuries in frontal crashes
3
Electronic stability control
4
Antilock brakes
5
Daytime running lights
Model yearFront small overlapFront moderate overlapSideRoof strengthHead restraints & seats
2014
G
G
2013
P
G
G
A
A
2012
P
G
G
A
A
2011
P
G
G
A
A
2010
P
G
G
A
A
2009
P
G
G
A
A
2008
P
G
G
A
A
2007
P
G
G
A
A
2006
P
G
G
A
A

Applies to 2006-13 models

Overall evaluation
P
Structure and safety cage
P
Injury measures
Head/neck
G
Chest
G
Hip/thigh
G
Lower leg/foot
P
Restraints and dummy kinematics
P
Important: Frontal crash test ratings should be compared only among vehicles of similar weight.

The Lexus IS was redesigned for the 2006 model year. There are two models, the IS 250 and IS 350, depending on engine size.

Structure

The driver's space was seriously compromised by intruding structure. Footwell intrusion measured as much as 42 cm at the footrest, and the instrument panel intruded as much as 22 cm. Both dummy feet were trapped by the footwell intrusion, and the brake pedal had to be cut off to free the right foot.

Injury measures

Measures from the dummy indicate that injuries to the left lower leg would be likely in a crash of this severity. Injuries to the left foot and right lower leg would be possible.

Restraints and dummy kinematics

The dummy’s head remained in contact with the frontal airbag, but the head was still vulnerable to contact with forward side structure because the steering column moved 13 cm to the right as the dummy moved to the left. The driver's seat tipped forward and toward the B-pillar. Furthermore, at forwardmost excursion the head had moved outside the open side window, partially due to the lack of a side curtain airbag deployment and leaving the head vulnerable to contact with side structure and outside objects.

Tested vehicle specifications

Tested vehicle2012 Lexus IS 250 4-door
Weight 3,509 lbs.
Side airbagsfront and rear head curtain airbags and front seat-mounted torso airbags
Wheelbase108 in.
Length180 in.
Width71 in.
Engine2.5 L V6
EPA ratings21 mpg city / 30 mpg highway

How this test is conducted

Measures of occupant compartment intrusion on driver side

Test IDCEN1205
Lower hinge pillar max (cm)39
Footrest (cm)42
Lower occupant compartment
Left toepan (cm)31
Brake pedal (cm)25
Parking brake (cm)31
Rocker panel lateral average (cm)16
Steering column1
Upper hinge pillar max (cm)16
Upper occupant compartment
Upper dash (cm)22
Lower instrument panel (cm)22

Driver injury measures

Test IDCEN1205
Head
HIC-15190
Peak gs at hard contactnegligible
Neck
Tension (kN)1.2
Extension bending moment (Nm)13
Maximum Nij 0.23
Chest maximum compression (mm)23
Femur (kN)
Left3.3
Right3.2
Knee displacement (mm)
Left7
Right2
Knee-thigh-hip injury risk (%)
Left1
Right1
Maximum tibia index
Left2.05
Right1.06
Tibia axial force (kN)
Left5.9
Right6.1
Foot acceleration (g)
Left225
Right122

Applies to 2006-13 models

Overall evaluation
G
Structure and safety cage
G
Injury measures
Head/neck
G
Chest
G
Leg/foot, left
G
Leg/foot, right
G
Restraints and dummy kinematics
G
Important: Frontal crash test ratings should be compared only among vehicles of similar weight.

The Lexus IS was redesigned for the 2006 model year. There are two models, the IS 250 and IS 350, depending on engine size.

Injury measures

Measures taken from the dummy indicate a low risk of any significant injuries in a crash of this severity. Head accelerations from the A-pillar, sun visor, and roof rail hits were low.

Restraints and dummy kinematics

Dummy movement was well controlled. During rebound, the dummy's head hit the top of the A-pillar, sun visor, and roof rail.

Tested vehicle specifications

Tested vehicle2006 Lexus IS 250 4-door
Weight 3,470 lbs.
Side airbagsfront and rear head curtain airbags and front seat-mounted torso airbags
Wheelbase108 in.
Length180 in.
Width71 in.
Engine2.5 L V6
EPA ratings24 mpg city / 32 mpg highway

How this test is conducted

Measures of occcupant compartment intrusion on driver side

Test IDCEF0531
Footwell intrusion
Footrest (cm)10
Left (cm)10
Center (cm)12
Right (cm)10
Brake pedal (cm)3
Instrument panel rearward movement
Left (cm)3
Right (cm)3
Steering column movement
Upward (cm)7
Rearward (cm)0
A-pillar rearward movement (cm)0

Driver injury measures

Test IDCEF0531
Head
HIC-15308
Peak gs at hard contact37.000000
Neck
Tension (kN)1.8
Extension bending moment (Nm)21
Maximum Nij 0.31
Chest maximum compression (mm)28
Legs
Femur force - left (kN)1.1
Femur force - right (kN)1.8
Knee displacement - left (mm)1
Knee displacement - right (mm)2
Maximum tibia index - left0.33
Maximum tibia index - right0.39
Tibia axial force - left (kN)2.3
Tibia axial force - right (kN)3.6
Foot acceleration (g)
Left53
Right56

Applies to 2006-13 models

Overall evaluation
G
Structure and safety cage
G
Driver injury measures
Head/neck
G
Torso
G
Pelvis/leg
G
Head protection
G
Rear passenger injury measures
Head/neck
G
Torso
G
Pelvis/leg
G
Head protection
G
Side crash test ratings can be compared across vehicle categories.

The Lexus IS was redesigned for the 2006 model year. There are two models, the IS 250 and IS 350, depending on engine size.

Injury measures

Driver — Measures taken from the dummy indicate a low risk of any significant injuries in a crash of this severity.

Passenger — Measures taken from the dummy indicate a low risk of any significant injuries in a crash of this severity.

Head protection

Driver — The dummy's head was protected from being hit by any hard structures, including the intruding barrier, by a side curtain airbag that deployed from the roof.

Passenger — The dummy's head was protected from being hit by any hard structures, including the intruding barrier, by a side curtain airbag that deployed from the roof.

Tested vehicle specifications

Tested vehicle2006 Lexus IS 250 4-door
Weight 3,488 lbs.
Side airbagsstandard front and rear head curtain airbags and standard front seat-mounted torso airbags
Wheelbase108 in.
Length180 in.
Width71 in.
Engine2.5 L V6
EPA ratings24 mpg city / 32 mpg highway

How this test is conducted

Measures of occupant compartment intrusion on driver side

Test IDCES0531
B-pillar to longitudinal centerline of driver's seat (cm)
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.
-12.5

Driver injury measures

Test IDCES0531
Head HIC-15187
Neck
Tension (kN)0.6
Compression (kN)0.2
Shoulder
Lateral deflection (mm)47
Lateral force (kN)1.6
Torso
Maximum deflection (mm)33
Average deflection (mm)28
Maximum deflection rate (m/s)6.41
Maximum viscous criterion (m/s)0.53
Pelvis
Iliac force (kN)2.4
Acetabulum force (kN)2.6
Combined force (kN)4.5
Left femur
L-M force (kN)0.3
L-M moment (Nm)76
A-P moment (Nm) 37

Passenger injury measures

Test IDCES0531
Head HIC-15149
Neck
Tension (kN)0.1
Compression (kN)0.3
Shoulder
Lateral deflection (mm)32
Lateral force (kN)1.7
Torso
Maximum deflection (mm)26
Average deflection (mm)17
Maximum deflection rate (m/s)1.99
Maximum viscous criterion (m/s)0.24
Pelvis
Iliac force (kN)0.6
Acetabulum force (kN)2.2
Combined force (kN)2.6
Left femur
L-M force (kN)0.4
L-M moment (Nm)72
A-P moment (Nm) -21

Applies to 2006-13 models

Overall evaluation
A
Curb weight3,580 lbs
Peak force14,093 lbs
Strength-to-weight ratio3.94
Tested vehicle
2011 Lexus IS 350 4-door
Roof strength test ratings can be compared across vehicle categories.

In the test, the strength of the roof is determined by pushing a metal plate against one side of it at a slow but constant speed. The force applied relative to the vehicle's weight is known as the strength-to-weight ratio. This graph shows how the ratio varied as the test of this vehicle progressed. The peak strength-to-weight ratio recorded at any time before the roof is crushed 5 inches is the key measurement of roof strength.

A good rating requires a strength-to-weight ratio of at least 4. In other words, the roof must withstand a force of at least 4 times the vehicle's weight before the plate crushes the roof by 5 inches. For an acceptable rating, the minimum required strength-to-weight ratio is 3.25. For a marginal rating, it is 2.5. Anything lower than that is poor.

How this test is conducted

Applies to 2006-13 models

Overall evaluation
A
Dynamic rating
A
Seat/head restraint geometry
G
Important: Head restraints & seats ratings should be compared only among vehicles of similar weight.

Seat type

Power leather seats

How this test is conducted

Seat typePower leather seats
Geometry
Backset (mm)70
Distance below top of head (mm)52
Seat design parameters
Pass/failFail
Max T1 acceleration (g)13.8
Head contact time (ms)86
Force ratingLow
Neck forces
Max neck shear force (N)68
Max neck tension (N)692

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