2014 Lexus IS

midsize luxury car / 4-door sedan

2014 Lexus IS 4-door sedan

Crashworthiness

Rating overview
Moderate overlap front
Side
Roof strength

Crash avoidance & mitigation

Front crash prevention: vehicle-to-vehicle
Optional system
Advanced

Other available safety features

  • Standard daytime running lights
  • Optional blind spot detection
  • Optional lane departure warning

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 2014-19 models

Tested vehicle: 2014 Lexus IS 250 4-door

The Lexus IS was redesigned for the 2014 model year. There are various models, depending on engine size and cylinder count. Moderate overlap frontal ratings are assigned by the Institute based on a test 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 VTF1310
Footwell intrusion
Footrest (cm) 8
Left (cm) 8
Center (cm) 8
Right (cm) 4
Brake pedal (cm) 8
Instrument panel rearward movement
Left (cm) 0
Right (cm) 0
Steering column movement
Upward (cm) 0
Rearward (cm) -6
A-pillar rearward movement (cm) 1

Driver injury measures

Test ID VTF1310
Head
HIC-15 187
Peak gs at hard contact no contact
Neck
Tension (kN) 1.9
Extension bending moment (Nm) 8
Maximum Nij 0.31
Chest maximum compression (mm) 30
Legs
Femur force - left (kN) 1.9
Femur force - right (kN) 2.0
Knee displacement - left (mm) 3
Knee displacement - right (mm) 3
Maximum tibia index - left 0.68
Maximum tibia index - right 0.54
Tibia axial force - left (kN) 3.2
Tibia axial force - right (kN) 3.0
Foot acceleration (g)
Left 62
Right 54

How the moderate overlap front test is conducted

Side

Rating applies to 2014-19 models

Tested vehicle: 2014 Lexus IS 250 4-door with standard front and rear head curtain airbags and standard front and rear seat-mounted torso airbags

The Lexus IS was redesigned for the 2014 model year. There are various models, depending on engine size and cylinder count. Side ratings are assigned by the Institute based on a test 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 VTS1306
B-pillar to longitudinal centerline of driver's seat (cm) -17.0
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.

Driver injury measures

Test ID VTS1306
Head HIC-15 345
Neck
Tension (kN) 0.7
Compression (kN) 0.2
Shoulder
Lateral deflection (mm) 46
Lateral force (kN) 1.2
Torso
Maximum deflection (mm) 26
Average deflection (mm) 23
Maximum deflection rate (m/s) 4.04
Maximum viscous criterion (m/s) 0.37
Pelvis
Iliac force (kN) 1.4
Acetabulum force (kN) 1.6
Combined force (kN) 3.0
Left femur
L-M force (kN) 0.4
L-M moment (Nm) 110
A-P moment (Nm) 72

Passenger injury measures

Test ID VTS1306
Head HIC-15 67
Neck
Tension (kN) 0.3
Compression (kN) 0.5
Shoulder
Lateral deflection (mm) 21
Lateral force (kN) 0.9
Torso
Maximum deflection (mm) 12
Average deflection (mm) 12
Maximum deflection rate (m/s) 1.26
Maximum viscous criterion (m/s) 0.05
Pelvis
Iliac force (kN) 1.2
Acetabulum force (kN) 1.2
Combined force (kN) 2.4
Left femur
L-M force (kN) 0.4
L-M moment (Nm) 93
A-P moment (Nm) 35

How the side crash test is conducted

Roof strength

Rating applies to 2014-19 models

Tested vehicle: 2017 Lexus IS 300 4-door 4wd

Overall evaluation
Curb weight 3,726 lbs
Peak force 17,513 lbs
Strength-to-weight ratio 4.70

How the roof strength test is conducted

Front crash prevention: vehicle-to-vehicle

System details

  • Optional Pre-Collision System

Package name

  • Optional Pre Collision System with Dynamic Radar Cruise Control

Overall evaluation

Applies to 2014-16 models

Advanced
Advanced
with optional equipment
  • This system meets the requirements for forward collision warning.
  • In the 12 mph IIHS test, this vehicle nearly avoided a collision.
  • In the 25 mph IIHS test, impact speed was reduced by 7 mph.

How front crash prevention is evaluated