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Top Safety Pick + Top Safety Pick criteria

2021 Toyota Sienna

minivan

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Crashworthiness

Rating overview
Small overlap front: driver-side
Small overlap front: passenger-side
Moderate overlap front: original test
Side: original test
Side: updated test
Roof strength
Head restraints & seats

Crash avoidance & mitigation

Headlights
Front crash prevention: vehicle-to-vehicle
Standard system
Superior
Front crash prevention: pedestrian (day)
Standard system
Advanced

Seat belts & child restraints

LATCH ease of use
+

Other available safety features

  • Standard daytime running lights
  • Standard blind spot detection
  • Standard lane departure warning
  • Standard lane departure prevention
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.

Small overlap front: driver-side

Rating applies to 2021-24 models

Tested vehicle: 2021 Toyota Sienna XLE Hybrid

The Toyota Sienna was redesigned for the 2021 model year and is now available only as a hybrid.
Overall evaluation
Structure and safety cage
Driver injury measures
Head/neck
Chest
Hip/thigh
Lower leg/foot
Driver restraints and dummy kinematics
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Action shot taken during the small overlap frontal crash test.
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The dummy's position in relation to the door frame, steering wheel, and instrument panel after the crash test indicates that the driver's survival space was maintained very well.
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The driver's space was maintained well, and risk of injuries to the dummy's legs and feet was low.
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The frontal and side curtain airbags worked well together to keep the head from coming close to any stiff structure or outside objects that could cause injury.
Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID CEN2009
Lower occupant compartment
Lower hinge pillar max (cm) 4
Footrest (cm) 5
Left toepan (cm) 5
Brake pedal (cm) 5
Parking brake (cm)
Rocker panel lateral average (cm) 3
Upper occupant compartment
Steering column 3
Upper hinge pillar max (cm) 2
Upper dash (cm) 5
Lower instrument panel (cm) 4

Driver injury measures

Test ID CEN2009
Head
HIC-15 97
Peak gs at hard contact no contact
Neck
Tension (kN) 1.1
Extension bending moment (Nm) 26
Maximum Nij 0.23
Chest maximum compression (mm)
Femur (kN)
Left 1.8
Right 1.1
Knee displacement (mm)
Left 4
Right 3
Knee-thigh-hip injury risk (%)
Left 0
Right 0
Maximum tibia index
Left 0.46
Right 0.48
Tibia axial force (kN)
Left 1.2
Right 2.0
Foot acceleration (g)
Left 50
Right 68

How the driver-side small overlap front test is conducted

Small overlap front: passenger-side

Rating applies to 2021-24 models

Tested vehicle: 2021 Toyota Sienna XLE Hybrid

The Toyota Sienna was redesigned for the 2021 model year and is now available only as a hybrid. Passenger-side small overlap frontal ratings are assigned by the Institute based on a test of a 2021 Toyota Sienna conducted by Toyota as part of frontal crash test verification.

Overall evaluation
Structure and safety cage
Passenger injury measures
Head/neck
Chest
Hip/thigh
Lower leg/foot
Passenger restraints and dummy kinematics
Driver injury measures
Head/neck
Chest
Hip/thigh
Lower leg/foot
Driver restraints and dummy kinematics
Technical measurements for this test

Measures of occupant compartment intrusion on passenger side

Test ID VTP2021
Lower occupant compartment
Lower hinge pillar max (cm) 6
Footrest (cm) 8
Right toepan (cm) 8
Center toepan (cm) 8
Rocker panel lateral average (cm) 3
Upper occupant compartment
Center dash (cm) 4
Upper hinge pillar max (cm) 5
Upper dash (cm) 6
Right lower dash (cm) 6

Passenger injury measures

Test ID VTP2021
Head
HIC-15 124
Peak gs at hard contact no contact
Neck
Tension (kN) 1.0
Extension bending moment (Nm) 19
Maximum Nij 0.28
Chest maximum compression (mm) 18
Femur (kN)
Left 1.2
Right 3.7
Knee displacement (mm)
Left 2
Right 8
Knee-thigh-hip injury risk (%)
Left 0
Right 0
Maximum tibia index
Left 0.49
Right 0.46
Tibia axial force (kN)
Left 0.7
Right 0.8
Foot acceleration (g)
Left 113
Right 99

Driver injury measures

Test ID VTP2021
Head
HIC-15 85
Peak gs at hard contact no contact
Neck
Tension (kN) 0.9
Extension bending moment (Nm) 5
Maximum Nij 0.18
Chest maximum compression (mm) 28
Femur (kN)
Left 1.1
Right 1.3
Knee displacement (mm)
Left 3
Right 3
Knee-thigh-hip injury risk (%)
Left 0
Right 0
Maximum tibia index
Left 0.39
Right 0.32
Tibia axial force (kN)
Left 2.2
Right 1.2
Foot acceleration (g)
Left 39
Right 41

How the passenger-side small overlap front test is conducted

Moderate overlap front: original test

Rating applies to 2021-24 models

Tested vehicle: 2021 Toyota Sienna XLE Hybrid

The Toyota Sienna was redesigned for the 2021 model year and is now available only as a hybrid. Moderate overlap frontal ratings are assigned by the Institute based on a test of a 2021 Toyota Sienna conducted by Toyota as part of frontal crash test verification.

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

Measures of occupant compartment intrusion on driver side

Test ID VTF2011
Footwell intrusion
Footrest (cm) 3
Left (cm) 5
Center (cm) 5
Right (cm) 12
Brake pedal (cm) 3
Instrument panel rearward movement
Left (cm) 1
Right (cm) 1
Steering column movement
Upward (cm) 3
Rearward (cm) 1
A-pillar rearward movement (cm) 0

Driver injury measures

Test ID VTF2011
Head
HIC-15 153
Peak gs at hard contact no contact
Neck
Tension (kN) 1.1
Extension bending moment (Nm) 13
Maximum Nij 0.22
Chest maximum compression (mm) 29
Legs
Femur force - left (kN) 1.4
Femur force - right (kN) 1.2
Knee displacement - left (mm) 4
Knee displacement - right (mm) 4
Maximum tibia index - left 0.40
Maximum tibia index - right 0.67
Tibia axial force - left (kN) 2.0
Tibia axial force - right (kN) 1.8
Foot acceleration (g)
Left 76
Right 93

How the moderate overlap front test is conducted

Side: original test

Rating applies to 2021-23 models

Tested vehicle: 2021 Toyota Sienna XLE Hybrid

The Toyota Sienna was redesigned for the 2021 model year and is now available only as a hybrid. Side ratings are assigned by the Institute based on a test of a 2021 Toyota Sienna conducted by Toyota as part of side crash test verification.

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

Measures of occupant compartment intrusion on driver side

Test ID VTS2012
B-pillar to longitudinal centerline of driver's seat (cm) -23.0
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.

Driver injury measures

Test ID VTS2012
Head HIC-15 63
Neck
Tension (kN) 0.6
Compression (kN) 0.3
Shoulder
Lateral deflection (mm) 18
Lateral force (kN) 0.9
Torso
Maximum deflection (mm) 22
Average deflection (mm) 19
Maximum deflection rate (m/s) 1.60
Maximum viscous criterion (m/s) 0.18
Pelvis
Iliac force (kN) 0.9
Acetabulum force (kN) 1.0
Combined force (kN) 1.9
Left femur
L-M force (kN) 0.7
L-M moment (Nm) 97
A-P moment (Nm) 16

Passenger injury measures

Test ID VTS2012
Head HIC-15 54
Neck
Tension (kN) 0.2
Compression (kN) 0.2
Shoulder
Lateral deflection (mm) 9
Lateral force (kN) 0.6
Torso
Maximum deflection (mm) 15
Average deflection (mm) 13
Maximum deflection rate (m/s) 3.02
Maximum viscous criterion (m/s) 0.15
Pelvis
Iliac force (kN) 0.2
Acetabulum force (kN) 1.4
Combined force (kN) 1.5
Left femur
L-M force (kN) 0.3
L-M moment (Nm) 50
A-P moment (Nm) 38

How the side crash test is conducted

Side: updated test

Rating applies to 2021-24 models

Tested vehicle: 2021 Toyota Sienna LE Hybrid 4-door 4wd

The Toyota Sienna was redesigned for the 2021 model year and is now available only as a hybrid. Side 2.0 ratings are assigned by the Institute based on a test of a 2021 Toyota Sienna conducted by Toyota as part of side crash test verification.

Overall evaluation
Structure and safety cage
Driver injury measures
Head/neck
Torso
Pelvis
Driver head protection
Rear passenger injury measures
Head/neck
Torso
Pelvis
Rear passenger head protection
Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID VTS2227
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.

Driver injury measures

Test ID VTS2227
Head
HIC-15 175
Peak gs at hard contact no contact
Neck
Tension (kN) 0.9
Compression (kN) 0.3
Shoulder
Lateral deflection (mm) 14
Lateral force (kN) 0.8
Torso
Maximum deflection (mm) 21
Average deflection (mm) 21
Maximum deflection rate (m/s) 2.52
Maximum viscous criterion (m/s) 0.19
Pelvis
Combined force (kN) 3.3

Passenger injury measures

Test ID VTS2227
Head
HIC-15 181
Peak gs at hard contact no contact
Neck
Tension (kN) 0.6
Compression (kN) 0.1
Shoulder
Lateral deflection (mm) 25
Lateral force (kN) 1.4
Torso
Maximum deflection (mm) 18
Average deflection (mm) 14
Maximum deflection rate (m/s) 3.10
Maximum viscous criterion (m/s) 0.23
Pelvis
Combined force (kN) 2.8

How the side crash test is conducted

Roof strength

Rating applies to 2021-23 models

Tested vehicle: 2021 Toyota Sienna LE Hybrid

Overall evaluation
Curb weight 4,539 lbs
Peak force 26,475 lbs
Strength-to-weight ratio 5.83

How the roof strength test is conducted

Head restraints & seats

Seat type: Power cloth seat

Overall evaluation
Dynamic rating
Seat/head restraint geometry
Technical measurements for this test
Seat type Power cloth seat
Geometry
Backset (mm) 21
Distance below top of head (mm) 16
Seat design parameters
Pass/fail Pass
Max T1 acceleration (g) 12.8
Head contact time (ms) 64
Force rating 1
Neck forces
Max neck shear force (N) 0
Max neck tension (N) 293

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

Headlights

Ratings are given for 2 different headlight variations available on this vehicle.

Trim level(s)

  • LE trim
  • XLE trim
  • XSE trim
  • Limited trim
Low-beam headlight type LED reflector
High-beam headlight type LED reflector
Curve-adaptive? No
High-beam assist? Yes
Overall rating
Distance at which headlights provide at least 5 lux illumination:
car-simpler car-simpler car-simpler car-simpler car-simpler 0 ft 100 ft 200 ft 300 ft 400 ft 500 ft 600 ft Low beams Optimal low-beam illumination High beams Optimal high-beam illumination High-beam assist credit Some glare

Low beams
On the straightaway, visibility was good on both sides of the road. On curves, visibility was good on the sharp right curve and fair on the gradual right and both left curves.

The low beams created some glare.

High beams
On the straightaway, visibility was good on both sides of the road. On curves, visibility was fair in all 4 tests.

High-beam assist compensates for some limitations of this vehicle's low beams on the straightaway, on both left curves and on both right curves.
Technical measurements for this test
Trim level(s)
  • LE trim
  • XLE trim
  • XSE trim
  • Limited trim
Low-beam headlight type LED reflector
High-beam headlight type LED reflector
Curve-adaptive? No
High-beam assist? Yes
Overall rating
Applies to 2021-24 models
LOW BEAMS Average minimum useful
illumination distance (5 lux)
Amount glare
exceeded threshold
Straightaway right edge 108.2 m None
Straightaway left edge 57.4 m None
250m radius right curve, right edge 62.7 m 13.3%
250m radius left curve, left edge 56.5 m None
150m radius right curve, right edge 55.1 m 24.5%
150m radius left curve, left edge 50.6 m None
HIGH BEAMS Average minimum useful
illumination distance (5 lux)
Straightaway right edge 159.4 m
Straightaway left edge 154.5 m
250m radius right curve, right edge 74.9 m
250m radius left curve, left edge 73.5 m
150m radius right curve, right edge 60.0 m
150m radius left curve, left edge 58.2 m

Trim level(s)

  • Platinum trim
Low-beam headlight type LED projector
High-beam headlight type LED projector
Curve-adaptive? No
High-beam assist? Yes
Overall rating
Distance at which headlights provide at least 5 lux illumination:
car-simpler car-simpler car-simpler car-simpler car-simpler 0 ft 100 ft 200 ft 300 ft 400 ft 500 ft 600 ft Low beams Optimal low-beam illumination High beams Optimal high-beam illumination High-beam assist credit

Low beams
On the straightaway, visibility was good on both sides of the road. On curves, visibility was good on the sharp left and both right curves and fair on the gradual left curve.

The low beams never exceeded glare limits.

High beams
On the straightaway, visibility was good on both sides of the road. On curves, visibility was fair on the gradual right and gradual left curves and inadequate on the sharp right and sharp left curves.

High-beam assist compensates for some limitations of this vehicle's low beams on the straightaway and on the gradual left curve.
Technical measurements for this test
Trim level(s)
  • Platinum trim
Low-beam headlight type LED projector
High-beam headlight type LED projector
Curve-adaptive? No
High-beam assist? Yes
Overall rating
Applies to 2021-24 models
LOW BEAMS Average minimum useful
illumination distance (5 lux)
Amount glare
exceeded threshold
Straightaway right edge 116.1 m None
Straightaway left edge 55.3 m None
250m radius right curve, right edge 75.8 m None
250m radius left curve, right edge 59.8 m None
150m radius right curve, right edge 59.4 m None
150m radius left curve, left edge 55.1 m None
HIGH BEAMS Average minimum useful
illumination distance (5 lux)
Straightaway right edge 151.1 m
Straightaway left edge 142.7 m
250m radius right curve, right edge 66.9 m
250m radius left curve, left edge 65.2 m
150m radius right curve, right edge 51.8 m
150m radius left curve, left edge 50.9 m

How headlights are evaluated

Front crash prevention: vehicle-to-vehicle

System details

  • Standard Toyota Safety Sense 2.0 Pre-Collision System with Pedestrian Detection

Overall evaluation

Applies to 2021-23 models
Superior
  • This system meets the requirements for forward collision warning.
  • In the 12 mph test, this vehicle avoided a collision.
  • In the 25 mph test, this vehicle avoided a collision.
  • How front crash prevention is evaluated

    Front crash prevention: pedestrian (day)

    System details

    • standard Toyota Safety Sense 2.0 Pre-Collision System with Pedestrian Detection

    Overall evaluation

    This rating applies to all 2021-24 models
    Advanced

    Crossing child

    • In the 12 mph test, this vehicle avoided a collision.
    • In the 25 mph test, impact speed was reduced by 21 mph.

    Crossing adult

    • In the 12 mph test, this vehicle avoided a collision.
    • In the 25 mph test, impact speed was reduced by 22 mph.

    Parallel adult

    • In the 25 mph test, this vehicle avoided a collision.
    • In the 37 mph test, impact speed was reduced by 26 mph. A warning was issued 1.8 seconds before impact.

    Child seat anchors

    Rating applies to 2021-24 models

    Overall evaluation
    +
    extra LATCH positions
    Vehicle trim LE
    Seat type cloth
    This vehicle has 5 rear seating positions with complete child seat attachment (LATCH) hardware. It has 1 additional seating position with a tether anchor, a single lower anchor and the ability to borrow the second anchor from another position. Note: When anchors are borrowed, they aren't available to use in their designated positions.
    Overall evaluation
    +
    extra LATCH positions
    Vehicle trim LE
    Seat type cloth
    1 2 3 6 4 5
    G Good
    A Acceptable
    M Marginal
    P Poor
    Seating positions that rely on borrowed lower anchors or have only a tether anchor available are not rated.
    thether anchor symbol
    Tether anchor
    lower anchor symbol
    Lower anchors
    shared lower achors symbol
    Lower anchor(s) can be borrowed from adjacent positions(s)
    No hardware available

    Details by seating position

    1
    Tether anchor
    easy-to-find location
    no other hardware could be confused for anchor
    Lower anchors
    not too deep in seat
    not too much force needed to attach
    easy to maneuver around anchors
    2
    Tether anchor
    easy-to-find location
    no other hardware could be confused for anchor
    Lower anchors
    not too deep in seat
    not too much force needed to attach
    easy to maneuver around anchors
    3
    Tether anchor
    easy-to-find location
    no other hardware could be confused for anchor
    Lower anchors
    not too deep in seat
    not too much force needed to attach
    easy to maneuver around anchors
    4
    Tether anchor
    easy-to-find location
    no other hardware could be confused for anchor
    Lower anchors
    too deep in seat
    not too much force needed to attach
    easy to maneuver around anchors
    5
    Tether anchor
    easy-to-find location
    no other hardware could be confused for anchor
    Lower anchors
    1 dedicated anchor and 1 that can be borrowed from seat 6
    too deep in seat
    not too much force needed to attach
    easy to maneuver around anchors
    6
    Tether anchor
    easy-to-find location
    no other hardware could be confused for anchor
    Lower anchors
    too deep in seat
    not too much force needed to attach
    easy to maneuver around anchors
    Technical measurements for this test

    Seat position 21

    3

    Lower anchor A
    Open access rated No
    Depth (cm) -2-0
    Force (lbs) 4
    Clearance angle (degrees) 80
    Lower anchor B
    Open access rated No
    Depth (cm) -2-0
    Force (lbs) 1
    Clearance angle (degrees) 87
    Tether anchor
    Location Middle seatback
    Confusing hardware present Yes
    Has contrasting label
    within 3 inches of tether anchor
    Yes

    Seat position 22

    2

    Lower anchor A
    Open access rated Yes
    Depth Visible
    Force (lbs) 0
    Clearance angle (degrees) 93
    Lower anchor B
    Open access rated Yes
    Depth Visible
    Force (lbs) 0
    Clearance angle (degrees) 98
    Tether anchor
    Location Middle seatback
    Confusing hardware present Yes
    Has contrasting label
    within 3 inches of tether anchor
    Yes

    Seat position 23

    1

    Lower anchor A
    Open access rated No
    Depth (cm) -2-0
    Force (lbs) 3
    Clearance angle (degrees) 83
    Lower anchor B
    Open access rated No
    Depth (cm) 0-2
    Force (lbs) 7
    Clearance angle (degrees) 81
    Tether anchor
    Location Middle seatback
    Confusing hardware present Yes
    Has contrasting label
    within 3 inches of tether anchor
    Yes

    Seat position 31

    6

    Lower anchor A
    Open access rated No
    Depth (cm) 2-4
    Force (lbs) 11
    Clearance angle (degrees) 80
    Lower anchor B
    Open access rated No
    Depth (cm) 2-4
    Force (lbs) 7
    Clearance angle (degrees) 84
    Tether anchor
    Location Middle seatback
    Confusing hardware present Yes
    Has contrasting label
    within 3 inches of tether anchor
    Yes

    Seat position 32

    5

    Lower anchor A
    Lower latch is shared for this seat position
    Lower anchor B
    Open access rated No
    Depth (cm) 2-4
    Force (lbs) 5
    Clearance angle (degrees) 84
    Tether anchor
    Location Middle seatback
    Confusing hardware present Yes
    Has contrasting label
    within 3 inches of tether anchor
    Yes

    Seat position 33

    4

    Lower anchor A
    Open access rated No
    Depth (cm) 2-4
    Force (lbs) 10
    Clearance angle (degrees) 75
    Lower anchor B
    Open access rated No
    Depth (cm) 2-4
    Force (lbs) 14
    Clearance angle (degrees) 83
    Tether anchor
    Location Middle seatback
    Confusing hardware present Yes
    Has contrasting label
    within 3 inches of tether anchor
    Yes

    How child seat anchors are evaluated

    End of main content
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