2005 Audi S4

midsize luxury car / 4-door sedan

Crashworthiness

Rating overview
Evaluation criteria Rating
Head restraints & seats
A

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.

Head restraints & seats

Seat type: All seats AHR manufactured after Oct 2004

Overall evaluation
A
Dynamic rating
A
Seat/head restraint geometry
G
Technical measurements for this test
Seat type All seats AHR manufactured after Oct 2004
Geometry
Backset (mm) 60
Distance below top of head (mm) 32
Seat design parameters
Pass/fail Fail
Max T1 acceleration (g) 12.2
Head contact time (ms) 71
Force rating 1
Neck forces
Max neck shear force (N) 97
Max neck tension (N) 571

Seat type: All seats manufactured before Nov 2004

Overall evaluation
P
Dynamic rating
P
Seat/head restraint geometry
G
Technical measurements for this test
Seat type All seats manufactured before Nov 2004
Geometry
Backset (mm) 62
Distance below top of head (mm) 50
Seat design parameters
Pass/fail Fail
Max T1 acceleration (g) 11.2
Head contact time (ms) 91
Force rating 3
Neck forces
Max neck shear force (N) 248
Max neck tension (N) 911

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