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2018 Lexus NX

Midsize luxury SUV
Crashworthiness
  • Small overlap front
  • Driver-side
    G
  • Passenger-side
  • Moderate overlap front
    G
  • Side
    G
  • Roof strength
    G
  • Head restraints & seats
    G

Crash avoidance & Mitigation
Front crash prevention
Crash avoidance rating
Superior

Headlights
G

Check for NHTSA recalls
Model year Small overlap front Moderate overlap front Side Roof strength Head restraints & seats Front crash prevention Headlights LATCH ease of use
Driver Passenger
2018
G
G
G
G
G
Crash avoidance rating
Superior
G
2017
G
G
G
G
G
Crash avoidance rating
Advanced
A
M
2016
G
G
G
G
G
Crash avoidance rating
Advanced
M
2015
G
G
G
G
G
Crash avoidance rating
Advanced
M

Applies to 2015-18 models

Overall evaluation
G
Structure and safety cage
G
Injury measures
Head/neck
G
Chest
G
Hip/thigh
G
Lower leg/foot
G
Restraints and dummy kinematics
G
Important: Frontal crash test ratings should be compared only among vehicles of similar weight.

The Lexus NX was introduced in the 2015 model year and is derived from the Toyota RAV4.

Structure

The driver space was maintained well, with maximum intrusion of the lower interior of 9 cm at the lower hinge pillar. Upper interior intrusion measured 3-4 cm at the hinge pillar and instrument panel.

Injury measures

Measures taken from the dummy indicate a low risk of any significant injuries in a crash of this severity.

Restraints and dummy kinematics

The dummy’s movement was well controlled. The dummy’s head loaded the frontal airbag, which stayed in front of the dummy until rebound. The side curtain airbag deployed and had sufficient forward coverage to protect the head from contact with side structure and outside objects. The side torso airbag also deployed.

Tested vehicle specifications

Tested vehicle 2015 Lexus NX 200t Premium 4-door 4wd
Weight 3,965 lbs.
Side airbags front and rear head curtain airbags and front seat-mounted torso airbags
Wheelbase 105 in.
Length 182 in.
Width 73 in.
Engine 2.0 L turbocharged 4-cylinder
EPA ratings 22 mpg city / 28 mpg highway

How this test is conducted

Measures of occupant compartment intrusion on driver side

Test ID CEN1449
Lower occupant compartment
Lower hinge pillar max (cm) 9
Footrest (cm) 6
Left toepan (cm) 3
Brake pedal (cm) 3
Parking brake (cm)
Rocker panel lateral average (cm) 4
Upper occupant compartment
Steering column 1
Upper hinge pillar max (cm) 3
Upper dash (cm) 3
Lower instrument panel (cm) 4

Driver injury measures

Test ID CEN1449
Head
HIC-15 150
Peak gs at hard contact no contact
Neck
Tension (kN) 1.3
Extension bending moment (Nm) 17
Maximum Nij 0.35
Chest maximum compression (mm) 21
Femur (kN)
Left 1.4
Right 1.3
Knee displacement (mm)
Left 2
Right 2
Knee-thigh-hip injury risk (%)
Left 0
Right 0
Maximum tibia index
Left 0.48
Right 0.48
Tibia axial force (kN)
Left 3.9
Right 1.8
Foot acceleration (g)
Left 115
Right 54

Applies to 2015-18 models

Overall evaluation
G
Structure and safety cage
G
Injury measures
Head/neck
G
Chest
G
Leg/foot, left
G
Leg/foot, right
G
Restraints and dummy kinematics
G
Important: Frontal crash test ratings should be compared only among vehicles of similar weight.

The Lexus NX was introduced in the 2015 model year and is derived from the Toyota RAV4. Moderate overlap frontal ratings are assigned by the Institute based on a test conducted by Toyota as part of frontal crash test verification.

Injury measures

Measures taken from the dummy indicate a low risk of any significant injuries in a crash of this severity.

Restraints and dummy kinematics

Dummy movement was well controlled. The driver and passenger side curtain and side torso airbags deployed during the crash. After the dummy moved forward into the frontal airbag, its head contacted the side curtain airbag.

Tested vehicle specifications

Tested vehicle 2015 Lexus NX 200t Premium 4-door 4wd
Weight 3,986 lbs.
Side airbags front and rear head curtain airbags and front seat-mounted torso airbags
Wheelbase 105 in.
Length 182 in.
Width 73 in.
Engine 2.0 L turbocharged 4-cylinder
EPA ratings 22 mpg city / 28 mpg highway

How this test is conducted

Measures of occcupant compartment intrusion on driver side

Test ID VTF1410
Footwell intrusion
Footrest (cm) 3
Left (cm) 10
Center (cm) 8
Right (cm) 7
Brake pedal (cm) 6
Instrument panel rearward movement
Left (cm) 0
Right (cm) 1
Steering column movement
Upward (cm) 1
Rearward (cm) -1
A-pillar rearward movement (cm) 0

Driver injury measures

Test ID VTF1410
Head
HIC-15 174
Peak gs at hard contact no contact
Neck
Tension (kN) 1.1
Extension bending moment (Nm) 13
Maximum Nij 0.25
Chest maximum compression (mm) 29
Legs
Femur force - left (kN) 1.3
Femur force - right (kN) 2.0
Knee displacement - left (mm) 1
Knee displacement - right (mm) 3
Maximum tibia index - left 0.34
Maximum tibia index - right 0.44
Tibia axial force - left (kN) 2.2
Tibia axial force - right (kN) 2.4
Foot acceleration (g)
Left 66
Right 126

Applies to 2015-18 models

Overall evaluation
G
Structure and safety cage
G
Driver injury measures
Head/neck
G
Torso
G
Pelvis/leg
G
Head protection
G
Rear passenger injury measures
Head/neck
G
Torso
G
Pelvis/leg
G
Head protection
G
Side crash test ratings can be compared across vehicle categories.

The Lexus NX was introduced in the 2015 model year and is derived from the Toyota RAV4. Side ratings are assigned by the Institute based on a test conducted by Toyota as part of side crash test verification.

Injury measures

Driver — Measures taken from the dummy indicate a low risk of any significant injuries in a crash of this severity.

Passenger — Measures taken from the dummy indicate a low risk of any significant injuries in a crash of this severity.

Head protection

Driver — The dummy's head was protected from being hit by any hard structures, including the intruding barrier, by a side curtain airbag that deployed from the roof.

Passenger — The dummy's head was protected from being hit by any hard structures, including the intruding barrier, by a side curtain airbag that deployed from the roof.

Tested vehicle specifications

Tested vehicle 2015 Lexus NX 200t Premium 4-door 4wd
Weight 3,986 lbs.
Side airbags standard front and rear head curtain airbags and standard front seat-mounted torso airbags
Wheelbase 105 in.
Length 182 in.
Width 73 in.
Engine 2.0 L turbocharged 4-cylinder
EPA ratings 22 mpg city / 28 mpg highway

How this test is conducted

Measures of occupant compartment intrusion on driver side

Test ID VTS1413
B-pillar to longitudinal centerline of driver's seat (cm)
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.
-15.0

Driver injury measures

Test ID VTS1413
Head HIC-15 401
Neck
Tension (kN) 0.7
Compression (kN) 0.0
Shoulder
Lateral deflection (mm) 49
Lateral force (kN) 1.5
Torso
Maximum deflection (mm) 30
Average deflection (mm) 22
Maximum deflection rate (m/s) 8.10
Maximum viscous criterion (m/s) 0.41
Pelvis
Iliac force (kN) 2.0
Acetabulum force (kN) 1.5
Combined force (kN) 3.1
Left femur
L-M force (kN) 0.7
L-M moment (Nm) 80
A-P moment (Nm) 15

Passenger injury measures

Test ID VTS1413
Head HIC-15 203
Neck
Tension (kN) 0.2
Compression (kN) 0.4
Shoulder
Lateral deflection (mm) 25
Lateral force (kN) 1.3
Torso
Maximum deflection (mm) 29
Average deflection (mm) 17
Maximum deflection rate (m/s) 4.00
Maximum viscous criterion (m/s) 0.40
Pelvis
Iliac force (kN) 1.3
Acetabulum force (kN) 1.5
Combined force (kN) 2.6
Left femur
L-M force (kN) 0.9
L-M moment (Nm) 176
A-P moment (Nm) -55

Applies to 2015-18 models

Overall evaluation
G
Curb weight 3,972 lbs
Peak force 20,394 lbs
Strength-to-weight ratio 5.13
Tested vehicle
2015 Lexus NX 200t Premium 4-door 4wd
Roof strength test ratings can be compared across vehicle categories.

In the test, the strength of the roof is determined by pushing a metal plate against one side of it at a slow but constant speed. The force applied relative to the vehicle's weight is known as the strength-to-weight ratio. This graph shows how the ratio varied as the test of this vehicle progressed. The peak strength-to-weight ratio recorded at any time before the roof is crushed 5 inches is the key measurement of roof strength.

A good rating requires a strength-to-weight ratio of at least 4. In other words, the roof must withstand a force of at least 4 times the vehicle's weight before the plate crushes the roof by 5 inches. For an acceptable rating, the minimum required strength-to-weight ratio is 3.25. For a marginal rating, it is 2.5. Anything lower than that is poor.

How this test is conducted

Applies to 2015-18 models

Overall evaluation
G
Dynamic rating
G
Seat/head restraint geometry
G
Important: Ratings for head restraints & seats should be compared only among vehicles of similar weight.

Seat type

Power leather seat

How this test is conducted

Seat type Power leather seat
Geometry
Backset (mm) 4
Distance below top of head (mm) 1
Seat design parameters
Pass/fail Pass
Max T1 acceleration (g) 14.2
Head contact time (ms) 59
Force rating 1
Neck forces
Max neck shear force (N) 0
Max neck tension (N) 351

Applies to 2018 models

System details

  • Standard Pre-Collision System with Pedestrian Protection

Overall evaluation

Crash avoidance rating
Superior
6 points total

Forward collision warning

This system meets the National Highway Traffic Safety Administration's criteria for forward collision warning.
1 point

Low-speed autobrake

In the 12 mph IIHS test, this vehicle avoided a collision.
2 points

High-speed autobrake

In the 25 mph IIHS test, this vehicle avoided a collision.
3 points

How this rating is determined

Ratings are given for 2 different headlight variations available for this vehicle.
Trim level(s)
  • 300 trim equipped with Triple-Beam LED headlamps with AFS package
Low-beam headlight type LED projector
High-beam headlight type LED projector
Curve-adaptive? Yes
Automatically switches between low beams and high beams (high-beam assist)? Yes
Overall rating
G
Distance at which headlights provide at least 5 lux illumination:
car-simpler car-simpler car-simpler car-simpler car-simpler 0 ft 100 ft 200 ft 300 ft 400 ft 500 ft 600 ft Low beams Optimal low-beam illumination High beams Optimal high-beam illumination High-beam assist credit Some glare

Low beams

On the straightaway, visibility was good on both sides of the road. On curves, visibility was good on the sharp left and both right curves and fair on the gradual left curve.

The low beams created some glare.

High beams

On the straightaway, visibility was good on the right side of the road and fair on the left side. On curves, visibility was good in all 4 tests.

High-beam assist compensates for some limitations of this vehicle's low beams on both left curves.

How this test is conducted

Trim level(s)
  • 300 trim
Low-beam headlight type LED projector
High-beam headlight type LED projector
Curve-adaptive? No
Automatically switches between low beams and high beams (high-beam assist)? Yes
Overall rating
G
Distance at which headlights provide at least 5 lux illumination:
car-simpler car-simpler car-simpler car-simpler car-simpler 0 ft 100 ft 200 ft 300 ft 400 ft 500 ft 600 ft Low beams Optimal low-beam illumination High beams Optimal high-beam illumination High-beam assist credit

Low beams

On the straightaway, visibility was good on both sides of the road. On curves, visibility was good on both right curves and fair on both left curves.

The low beams never exceeded glare limits.

High beams

On the straightaway, visibility was good on the right side of the road and fair on the left side. On curves, visibility was fair on both right curves and inadequate on both left curves.

High-beam assist compensates for some limitations of this vehicle's low beams on both left curves and on the gradual right curve.

How this test is conducted

Trim level(s)
  • 300 trim equipped with Triple-Beam LED headlamps with AFS package
Low-beam headlight type LED projector
High-beam headlight type LED projector
Curve-adaptive? Yes
High-beam assist? Yes
Overall rating
Applies to 2018 models
G
LOW BEAMS Average minimum useful
illumination distance (5 lux)
Amount glare
exceeded threshold
Straightaway right edge 130.0 m 8.3 %
Straightaway left edge 63.1 m 8.3 %
250m radius right curve, right edge 90.2 m 10.3 %
250m radius left curve, left edge 64.2 m 2.3 %
150m radius right curve, right edge 74.3 m 0.5 %
150m radius left curve, left edge 59.2 m None
HIGH BEAMS Average minimum useful
illumination distance (5 lux)
Straightaway right edge 144.7 m
Straightaway left edge 138.1 m
250m radius right curve, right edge 87.5 m
250m radius left curve, left edge 89.4 m
150m radius right curve, right edge 74.5 m
150m radius left curve, left edge 75.5 m

Trim level(s)
  • 300 trim
Low-beam headlight type LED projector
High-beam headlight type LED projector
Curve-adaptive? No
High-beam assist? Yes
Overall rating
Applies to 2018 models
G
LOW BEAMS Average minimum useful
illumination distance (5 lux)
Amount glare
exceeded threshold
Straightaway right edge 133.2 m None
Straightaway left edge 61.3 m None
250m radius right curve, right edge 67.2 m None
250m radius left curve, left edge 58.3 m None
150m radius right curve, right edge 56.2 m None
150m radius left curve, left edge 50.9 m None
HIGH BEAMS Average minimum useful
illumination distance (5 lux)
Straightaway right edge 157.4 m
Straightaway left edge 134.1 m
250m radius right curve, right edge 67.6 m
250m radius left curve, left edge 63.3 m
150m radius right curve, right edge 55.8 m
150m radius left curve, left edge 51.3 m

1
Side airbags: front and rear head curtain airbags and front seat-mounted torso airbags
2
Rollover sensor: designed to deploy the side curtain airbags in the event of an impending rollover
3
Driver knee airbag: a separate airbag in the lower instrument panel designed to minimize knee injuries in frontal crashes
4
Seat cushion airbag: a separate airbag in the forward portion of the front passenger seat cushion to prevent occupants from sliding under the seat belts
5
Electronic stability control
6
Antilock brakes
7
Daytime running lights

©1996-2016, Insurance Institute for Highway Safety, Highway Loss Data Institute | www.iihs.org