2007 Toyota Sienna

minivan

2007 Toyota Sienna Minivan
2005 Toyota Sienna shown

Crashworthiness

Rating overview
Moderate overlap front
Side
Head restraints & seats

Other available safety features

  • Optional daytime running lights

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

Rating applies to 2004-10 models

Tested vehicle: 2004 Toyota Sienna LE

The Toyota Sienna was redesigned for the 2004 model year.

The Insurance Institute for Highway Safety has evaluated the crashworthiness of the Sienna in two 40 mph moderate overlap frontal crash tests into deformable barriers. Two tests were conducted because a major fuel leak occurred in the first test. Toyota identified a defect in the manufacturing process of the plastic fuel tank and recalled the affected models. A second test was conducted to assess the effect of the manufacturing fix. For this test, Toyota retrofitted a redesigned fuel tank into the van. Due to the similarity of results (except for the fuel leak), the evaluation of the Sienna is based on both tests.

Overall evaluation
Structure and safety cage
Driver injury measures
Head/neck
Chest
Leg/foot, left
Leg/foot, right
Driver restraints and dummy kinematics

Action shot taken during the second of two frontal offset crash tests.

The dummy's position in relation to the steering wheel and instrument panel after both crash tests indicates that the driver's survival space was maintained well (second test shown).<strong> </strong>.

Smeared greasepaint indicates where the dummy's head hit the B-pillar and head restraint during rebound in the second test. The head rebounded similarly in the first test. Head accelerations from these hits were low in both tests.

Intrusion into the driver's space was minimal, and forces on the legs and feet were low in both tests (second test shown).

Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID CEF0310 CEF0314
Footwell intrusion
Footrest (cm) 10 9
Left (cm) 15 13
Center (cm) 11 8
Right (cm) 12 9
Brake pedal (cm) 4 2
Instrument panel rearward movement
Left (cm) 4 2
Right (cm) 5 4
Steering column movement
Upward (cm) -6 -2
Rearward (cm) 5 -1
A-pillar rearward movement (cm) 1 1

Driver injury measures

Test ID CEF0310 CEF0314
Head
HIC-15 127 148
Peak gs at hard contact 8 8
Neck
Tension (kN) 1.4 1.3
Extension bending moment (Nm) 24 19
Maximum Nij 0.33 0.27
Chest maximum compression (mm) 27 29
Legs
Femur force - left (kN) 4.7 4.1
Femur force - right (kN) 3.1 3.6
Knee displacement - left (mm) 0 3
Knee displacement - right (mm) 1 2
Maximum tibia index - left 0.55 0.34
Maximum tibia index - right 0.57 0.46
Tibia axial force - left (kN) 1.0 0.9
Tibia axial force - right (kN) 2.6 2.4
Foot acceleration (g)
Left 81 71
Right 62 53

How the moderate overlap front test is conducted

Side

Rating applies to 2006-10 models

Tested vehicle: 2005 Toyota Sienna LE with optional head curtain airbags for all three rows of seats and optional front seat-mounted torso airbags

The Toyota Sienna was redesigned for the 2004 model year. Beginning with 2005 models manufactured after February 2005, changes were made to the vehicle side structure and to the optional side torso airbags to improve occupant protection in side impact crashes (note: information about when a specific vehicle was manufactured is on the certification label typically affixed to the car on or near the driver door). Beginning with 2006 models, side airbags were made standard.

Two tests of a 2005 Sienna were conducted, one with optional side airbags for the driver and rear passenger, and one without. Both were manufactured after the structural and airbag modifications had been made. These vehicles are rated separately, except that the structural ratings for both vehicles are based on both tests.

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

View of the vehicle and barrier just after the crash test.

View of the vehicle after the crash with doors removed, showing the side airbags and damage to the occupant compartment.

Action shot taken during the side impact crash test showing the driver dummy's head was protected from being hit by hard structures by the side curtain and side torso airbags.

Smeared greasepaint shows where the rear passenger dummy's head was protected by the side airbag.

Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID CES0517 CES0518
B-pillar to longitudinal centerline of driver's seat (cm) -8.5 -9.5
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.

Driver injury measures

Test ID CES0517
Head HIC-15 121
Neck
Tension (kN) 1.1
Compression (kN) 0.1
Shoulder
Lateral deflection (mm) 45
Lateral force (kN) 2.1
Torso
Maximum deflection (mm) 34
Average deflection (mm) 31
Maximum deflection rate (m/s) 2.46
Maximum viscous criterion (m/s) 0.39
Pelvis
Iliac force (kN) 1.3
Acetabulum force (kN) 2.4
Combined force (kN) 3.6
Left femur
L-M force (kN) 1.0
L-M moment (Nm) 99
A-P moment (Nm) -20

Passenger injury measures

Test ID CES0517
Head HIC-15 99
Neck
Tension (kN) 0.6
Compression (kN) 0.2
Shoulder
Lateral deflection (mm) 43
Lateral force (kN) 1.5
Torso
Maximum deflection (mm) 27
Average deflection (mm) 19
Maximum deflection rate (m/s) 2.86
Maximum viscous criterion (m/s) 0.35
Pelvis
Iliac force (kN) 0.7
Acetabulum force (kN) 3.2
Combined force (kN) 3.5
Left femur
L-M force (kN) 1.0
L-M moment (Nm) 134
A-P moment (Nm) -44

How the side crash test is conducted

Head restraints & seats

Seat type: Seats with adjustable lumbar

Overall evaluation
Dynamic rating
Seat/head restraint geometry
Technical measurements for this test
Seat type Seats with adjustable lumbar
Geometry
Backset (mm) 55
Distance below top of head (mm) 68
Seat design parameters
Pass/fail Fail
Max T1 acceleration (g) 12.6
Head contact time (ms) 101
Force rating 3
Neck forces
Max neck shear force (N) 35
Max neck tension (N) 1,181

Seat type: Seats without adjustable lumbar

Overall evaluation
Dynamic rating
Seat/head restraint geometry
Technical measurements for this test
Seat type Seats without adjustable lumbar
Geometry
Backset (mm) 62
Distance below top of head (mm) 82
Seat design parameters
Pass/fail Fail
Max T1 acceleration (g) 0.0
Head contact time (ms)
Force rating 0
Neck forces
Max neck shear force (N)
Max neck tension (N)

How the head restraint & seat test is conducted