Top Safety Pick

2011 Infiniti M37/M56

large luxury car / 4-door sedan

Award applies only to vehicles Except M56x 4-wheel drive

2011 Infiniti M37/M56 4-door sedan

Crashworthiness

Rating overview
Moderate overlap front
Side
Roof strength
Head restraints & seats

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 2011-12 models

Tested vehicle: 2011 Infiniti M37x 4-door 4wd

The Infiniti M sedan was redesigned for the 2011 model year and renamed the M37 and M56 because the sizes of the two available engines were increased. Frontal ratings are assigned by the Institute based on a test conducted by Nissan as part of frontal crash test verification.

Overall evaluation
Structure and safety cage
Injury measures
Head/neck
Chest
Leg/foot, left
Leg/foot, right
Restraints and dummy kinematics
Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID VTF0912
Footwell intrusion
Footrest (cm) 4
Left (cm) 8
Center (cm) 11
Right (cm) 11
Brake pedal (cm) 11
Instrument panel rearward movement
Left (cm) 1
Right (cm) 2
Steering column movement
Upward (cm) 5
Rearward (cm) -1
A-pillar rearward movement (cm) 0

Driver injury measures

Test ID VTF0912
Head
HIC-15 241
Peak gs at hard contact no contact
Neck
Tension (kN) 1.0
Extension bending moment (Nm) 18
Maximum Nij 0.22
Chest maximum compression (mm) 30
Legs
Femur force - left (kN) 1.4
Femur force - right (kN) 1.1
Knee displacement - left (mm) 0
Knee displacement - right (mm) 4
Maximum tibia index - left 0.31
Maximum tibia index - right 0.48
Tibia axial force - left (kN) 1.6
Tibia axial force - right (kN) 2.4
Foot acceleration (g)
Left 87
Right 86

How the moderate overlap front test is conducted

Side

Rating applies to 2011-12 models

Tested vehicle: 2011 Infiniti M37x Premium 4-door 4wd with standard front and rear head curtain airbags and standard front seat-mounted torso airbags

The Infiniti M sedan was redesigned for the 2011 model year and renamed the M37 and M56 because the sizes of the two available engines were increased. Side ratings are assigned by the Institute based on a test conducted by Nissan as part of side crash test verification.

Rating applies to 2011-12 models

Tested vehicle:2011 Infiniti M37x Premium 4-door 4wd

The Infiniti M sedan was redesigned for the 2011 model year and renamed the M37 and M56 because the sizes of the two available engines were increased. Side ratings are assigned by the Institute based on a test conducted by Nissan 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 VTS0910
B-pillar to longitudinal centerline of driver's seat (cm) -11.0
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.

Driver injury measures

Test ID VTS0910
Head HIC-15 235
Neck
Tension (kN) 1.3
Compression (kN) 0.3
Shoulder
Lateral deflection (mm) 34
Lateral force (kN) 1.6
Torso
Maximum deflection (mm) 35
Average deflection (mm) 29
Maximum deflection rate (m/s) 5.45
Maximum viscous criterion (m/s) 0.50
Pelvis
Iliac force (kN) 1.5
Acetabulum force (kN) 1.7
Combined force (kN) 3.3
Left femur
L-M force (kN) 0.4
L-M moment (Nm) 18
A-P moment (Nm) -93

Passenger injury measures

Test ID VTS0910
Head HIC-15 194
Neck
Tension (kN) 0.2
Compression (kN) 0.8
Shoulder
Lateral deflection (mm) 48
Lateral force (kN) 2.0
Torso
Maximum deflection (mm) 32
Average deflection (mm) 20
Maximum deflection rate (m/s) 3.56
Maximum viscous criterion (m/s) 0.40
Pelvis
Iliac force (kN) 0.5
Acetabulum force (kN) 1.5
Combined force (kN) 1.9
Left femur
L-M force (kN) 0.4
L-M moment (Nm) 34
A-P moment (Nm) 68

How the side crash test is conducted

Roof strength

Rating applies to 2011-13 models

Tested vehicle: 2011 Infiniti M37 4-door

Overall evaluation
Curb weight 3,821 lbs
Peak force 16,085 lbs
Strength-to-weight ratio 4.21

How the roof strength test is conducted

Head restraints & seats

Rating applies to 2011-13 models

Seat type: Power leather seat

Overall evaluation
Dynamic rating
Seat/head restraint geometry
Technical measurements for this test
Seat type Power leather seat
Geometry
Backset (mm) 51
Distance below top of head (mm) 54
Seat design parameters
Pass/fail Pass
Max T1 acceleration (g) 11.8
Head contact time (ms) 68
Force rating 1
Neck forces
Max neck shear force (N) 22
Max neck tension (N) 706

How the head restraint & seat test is conducted