2008 Lexus RX
midsize luxury SUV / 4-door SUV
Moderate overlap front: original test
Tested vehicle: 2004 Lexus RX 330 4-door 4wd
Rating applies to 2004-09 models
The Lexus RX 330 was introduced in the 2004 model year as a replacement for the Lexus RX 300.
A hybrid-electric version of the RX, known as the RX 400h, was introduced in the 2006 model year. The RX 330 was renamed the RX 350 beginning with 2007 models because a new gasoline engine was installed.
| Evaluation criteria | Rating |
|---|---|
| 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
| Evaluation criteria | Measurement |
|---|---|
| Test ID | CEF0322 |
| Footwell intrusion | |
| Footrest (cm) | 5 |
| Left (cm) | 5 |
| Center (cm) | 6 |
| Right (cm) | 5 |
| Brake pedal (cm) | 1 |
| Instrument panel rearward movement | |
| Left (cm) | 0 |
| Right (cm) | 1 |
| Steering column movement | |
| Upward (cm) | 2 |
| Rearward (cm) | -4 |
| A-pillar rearward movement (cm) | 0 |
Driver injury measures
| Evaluation criteria | Measurement |
|---|---|
| Test ID | CEF0322 |
| Head | |
| HIC-15 | 360 |
| Peak gs at hard contact | 101 |
| Neck | |
| Tension (kN) | 2.0 |
| Extension bending moment (Nm) | 31 |
| Maximum Nij | 0.33 |
| Chest maximum compression (mm) | 26 |
| Legs | |
| Femur force - left (kN) | 1.0 |
| Femur force - right (kN) | 1.5 |
| Knee displacement - left (mm) | 1 |
| Knee displacement - right (mm) | 4 |
| Maximum tibia index - left | 0.34 |
| Maximum tibia index - right | 0.37 |
| Tibia axial force - left (kN) | 2.6 |
| Tibia axial force - right (kN) | 2.4 |
| Foot acceleration (g) | |
| Left | 53 |
| Right | 52 |
Head restraints & seats
Seat type: All seats
| Overall evaluation | |
|---|---|
| Dynamic rating | |
| Seat/head restraint geometry |
Technical measurements for this test
| Seat type | All seats |
|---|---|
| Geometry | |
| Backset (mm) | 58 |
| Distance below top of head (mm) | 68 |
| Seat design parameters | |
| Pass/fail | Fail |
| Max T1 acceleration (g) | 11.7 |
| Head contact time (ms) | 103 |
| Force rating | 3 |
| Neck forces | |
| Max neck shear force (N) | 114 |
| Max neck tension (N) | 1,509 |
About the head restraint & seat test
Currently, IIHS tests apply only to front seats.