2011 Smart Fortwo

microcar / 2-door hatchback

2011 Smart Fortwo 2-door hatchback
2009 Smart Fortwo shown


Rating overview
Moderate overlap front: original test
Roof strength
Head restraints & seats


  • G
  • A
  • M
  • P
  • Superior
  • Advanced
  • Basic

Some ratings use a scale of Poor to Good. Others range from Basic to Superior.

Moderate overlap front: original test

Rating applies to 2011-15 models

Tested vehicle: 2011 Smart Fortwo Passion 2-door

The Smart Fortwo was introduced in the 2008 model year. As its name implies, the Smart accommodates only two people; there is no rear seat. Beginning with 2011 models, driver and passenger knee airbags were added and structural changes were made to improve occupant protection in frontal crashes. Moderate overlap frontal ratings are assigned by the Institute based on a test conducted by Mercedes-Benz, the manufacturer of the Smart, as part of frontal crash test verification.

Overall evaluation
Structure and safety cage
Driver injury measures
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 VTF1102
Footwell intrusion
Footrest (cm) 5
Left (cm) 6
Center (cm) 13
Right (cm) 2
Brake pedal (cm) 3
Instrument panel rearward movement
Left (cm) 1
Right (cm) 1
Steering column movement
Upward (cm) -1
Rearward (cm) -4
A-pillar rearward movement (cm) 0

Driver injury measures

Test ID VTF1102
HIC-15 234
Peak gs at hard contact no contact
Tension (kN) 1.4
Extension bending moment (Nm) 15
Maximum Nij 0.30
Chest maximum compression (mm) 22
Femur force - left (kN) 1.8
Femur force - right (kN) 1.4
Knee displacement - left (mm) 1
Knee displacement - right (mm) 2
Maximum tibia index - left 0.23
Maximum tibia index - right 0.50
Tibia axial force - left (kN) 2.0
Tibia axial force - right (kN) 2.7
Foot acceleration (g)
Left 55
Right 83

How the moderate overlap front test is conducted

Roof strength

Rating applies to 2008-15 models

Tested vehicle: 2009 Smart Fortwo Pure 2-door

Overall evaluation
Curb weight 1,828 lbs
Peak force 9,896 lbs
Strength-to-weight ratio 5.41

How the roof strength test is conducted

Head restraints & seats

Seat type: Manual cloth seats

Overall evaluation
Dynamic rating
Seat/head restraint geometry
Technical measurements for this test
Seat type Manual cloth seats
Backset (mm) 64
Distance below top of head (mm) 23
Seat design parameters
Pass/fail Fail
Max T1 acceleration (g) 14.4
Head contact time (ms) 79
Force rating 1
Neck forces
Max neck shear force (N) 13
Max neck tension (N) 580

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

End of main content