2014 Lexus IS

midsize luxury car / 4-door sedan

2014 Lexus IS 4-door sedan

Crashworthiness

Rating overview
Moderate overlap front
Side: original test
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 2014-21 models

Tested vehicle: 2014 Lexus IS 250 4-door

The Lexus IS was redesigned for the 2014 model year. 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: original test

Rating applies to 2014-21 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. 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 2014-21 models

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

(Curb weight from 2017 Lexus IS 200t 4-door 2wd)

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