2018 Buick LaCrosse

large car / 4-door sedan

2018 Buick LaCrosse 4-door sedan
2017 Buick LaCrosse shown

Crashworthiness

Rating overview
Small overlap front: driver-side
Moderate overlap front
Side
Roof strength
Head restraints & seats

Crash avoidance & mitigation

Headlights (varies by trim/option)
Front crash prevention
Optional system
Superior
Optional system
Basic

Child seat anchors

LATCH ease of use

Other available safety features

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

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.

Small overlap front: driver-side

Rating applies to 2017-19 models

Tested vehicle: 2017 Buick LaCrosse Essence 4-door

The Buick LaCrosse was redesigned for the 2017 model year.

Overall evaluation
Structure and safety cage
Injury measures
Head/neck
Chest
Hip/thigh
Lower leg/foot
Restraints and dummy kinematics

Action shot taken during the small overlap frontal crash test.

The dummy's position in relation to the door frame, steering wheel, and instrument panel after the crash test indicates that the driver's survival space was maintained very well.

The dummy's head contacted the frontal airbag but slid partway off the left side, allowing the head to move toward the gap in coverage between the frontal and side curtain airbags.

The driver's space was maintained well, and risk of injuries to the dummy's legs and feet was low.

Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID CEN1702
Lower occupant compartment
Lower hinge pillar max (cm) 8
Footrest (cm) 9
Left toepan (cm) 2
Brake pedal (cm) 1
Parking brake (cm)
Rocker panel lateral average (cm) 2
Upper occupant compartment
Steering column 3
Upper hinge pillar max (cm) 4
Upper dash (cm) 4
Lower instrument panel (cm) 4

Driver injury measures

Test ID CEN1702
Head
HIC-15 61
Peak gs at hard contact no contact
Neck
Tension (kN) 0.9
Extension bending moment (Nm) 18
Maximum Nij 0.20
Chest maximum compression (mm) 16
Femur (kN)
Left 0.5
Right 0.3
Knee displacement (mm)
Left 0
Right 1
Knee-thigh-hip injury risk (%)
Left 0
Right 0
Maximum tibia index
Left 0.58
Right 0.33
Tibia axial force (kN)
Left 2.1
Right 0.9
Foot acceleration (g)
Left 47
Right 39

How the driver-side small overlap front test is conducted

Moderate overlap front

Rating applies to 2017-19 models

Tested vehicle: 2017 Buick LaCrosse Essence 4-door

The Buick LaCrosse was redesigned for the 2017 model year. Moderate overlap frontal ratings are assigned by the Institute based on a test conducted by General Motors as part of frontal crash test verification.

Overall evaluation
Structure and safety cage
Injury measures
Head/neck
Chest
Leg/foot, left
Leg/foot, right
Restraints and dummy kinematics
Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID VTF1619
Footwell intrusion
Footrest (cm) 5
Left (cm) 7
Center (cm) 3
Right (cm) 5
Brake pedal (cm) 9
Instrument panel rearward movement
Left (cm) 0
Right (cm) 0
Steering column movement
Upward (cm) -2
Rearward (cm) -5
A-pillar rearward movement (cm) 1

Driver injury measures

Test ID VTF1619
Head
HIC-15 161
Peak gs at hard contact no contact
Neck
Tension (kN) 1.0
Extension bending moment (Nm) 6
Maximum Nij 0.22
Chest maximum compression (mm) 25
Legs
Femur force - left (kN) 0.4
Femur force - right (kN) 0.9
Knee displacement - left (mm) 1
Knee displacement - right (mm) 1
Maximum tibia index - left 0.29
Maximum tibia index - right 0.38
Tibia axial force - left (kN) 1.9
Tibia axial force - right (kN) 2.3
Foot acceleration (g)
Left 46
Right 57

How the moderate overlap front test is conducted

Side

Rating applies to 2017-19 models

Tested vehicle: 2017 Buick LaCrosse Preferred 4-door

The Buick LaCrosse was redesigned for the 2017 model year. Side ratings are assigned by the Institute based on a test conducted by General Motors as part of side crash test verification.

Rating applies to 2017-19 models

Tested vehicle:2017 Buick LaCrosse Preferred 4-door

The Buick LaCrosse was redesigned for the 2017 model year. Side ratings are assigned by the Institute based on a test conducted by General Motors 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 VTS1618
B-pillar to longitudinal centerline of driver's seat (cm) -12.0
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.

Driver injury measures

Test ID VTS1618
Head HIC-15 392
Neck
Tension (kN) 1.3
Compression (kN) 0.1
Shoulder
Lateral deflection (mm) 34
Lateral force (kN) 1.5
Torso
Maximum deflection (mm) 39
Average deflection (mm) 35
Maximum deflection rate (m/s) 4.89
Maximum viscous criterion (m/s) 0.78
Pelvis
Iliac force (kN) 2.0
Acetabulum force (kN) 0.9
Combined force (kN) 2.4
Left femur
L-M force (kN) 0.7
L-M moment (Nm) 17
A-P moment (Nm) 128

Passenger injury measures

Test ID VTS1618
Head HIC-15 124
Neck
Tension (kN) 0.1
Compression (kN) 0.5
Shoulder
Lateral deflection (mm) 15
Lateral force (kN) 0.5
Torso
Maximum deflection (mm) 14
Average deflection (mm) 13
Maximum deflection rate (m/s) 2.13
Maximum viscous criterion (m/s) 0.14
Pelvis
Iliac force (kN) 0.2
Acetabulum force (kN) 2.0
Combined force (kN) 2.2
Left femur
L-M force (kN) 0.5
L-M moment (Nm) 40
A-P moment (Nm) 91

How the side crash test is conducted

Roof strength

Rating applies to 2017-19 models

Tested vehicle: 2017 Buick LaCrosse Preferred 4-door

Overall evaluation
Curb weight 3,640 lbs
Peak force 19,927 lbs
Strength-to-weight ratio 5.47

How the roof strength test is conducted

Head restraints & seats

Rating applies to 2017-19 models

Seat type: Power leather seat

Overall evaluation
Dynamic rating
Seat/head restraint geometry
Technical measurements for this test
Seat type Power leather seat
Geometry
Backset (mm) 30
Distance below top of head (mm) 28
Seat design parameters
Pass/fail Pass
Max T1 acceleration (g) 11.6
Head contact time (ms) 60
Force rating 1
Neck forces
Max neck shear force (N) 63
Max neck tension (N) 479

How the head restraint & seat test is conducted

Front crash prevention

Ratings are given for 2 different trim variations available on this vehicle.

System details

  • Optional Forward Automatic Braking

Package name

  • Optional Driver Confidence Package #2

Applies to 2017-19 models

Overall evaluation

  • This system meets the requirements for forward collision warning.
  • In the 12 mph IIHS test, this vehicle avoided a collision.
  • In the 25 mph IIHS test, impact speed was reduced by 24 mph.
Superior
Superior
with optional equipment

System details

  • Optional Forward Collision Alert

Package name

  • Optional Premium Trim

Applies to 2017-19 models

Overall evaluation

  • This system meets the requirements for forward collision warning.
  • Autobrake not available.
Basic
Basic
with optional equipment

How front crash prevention is evaluated

Headlights

Trim level(s)

  • Essence trim
  • Premium trim
  • Avenir trim
Low-beam headlight type HID projector
High-beam headlight type HID projector
Curve-adaptive? Yes
High-beam assist? No
Overall rating
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

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

The low beams never exceeded glare limits.

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

Technical measurements for this test
Trim level(s)
  • Essence trim
  • Premium trim
  • Avenir trim
Low-beam headlight type HID projector
High-beam headlight type HID projector
Curve-adaptive? Yes
High-beam assist? No
Overall rating
Applies to 2017-19 models
LOW BEAMS Average minimum useful
illumination distance (5 lux)
Amount glare
exceeded threshold
Straightaway right edge 71.4 m None
Straightaway left edge 39.0 m None
250m radius right curve, right edge 56.6 m None
250m radius left curve, right edge 41.1 m None
150m radius right curve, right edge 60.4 m None
150m radius left curve, right edge 38.4 m None
HIGH BEAMS Average minimum useful
illumination distance (5 lux)
Straightaway right edge 131.9 m
Straightaway left edge 121.1 m
250m radius right curve, right edge 69.2 m
250m radius left curve, left edge 71.6 m
150m radius right curve, right edge 61.8 m
150m radius left curve, left edge 64.1 m

How headlights are evaluated

Child seat anchors

Applies to 2017-19 models

Overall evaluation
Vehicle trim Premium
Seat type leather

This vehicle has 2 rear seating positions with complete child seat attachment (LATCH) hardware.

It has 1 additional seating position with a tether anchor only.

1 2 3
G Good
A Acceptable
M Marginal
P Poor
Seating positions that rely on borrowed lower anchors or have only a tether anchor available are not rated.
thether anchor symbol
Tether anchor
lower anchor symbol
Lower anchors
shared lower achors symbol
Lower anchor(s) can be borrowed from adjacent positions(s)
No hardware available

Details by seating position

1
Tether anchor
easy-to-find location
no other hardware could be confused for anchor
Lower anchors
too deep in seat
too much force needed to attach
easy to maneuver around anchors
2
Tether anchor
easy-to-find location
no other hardware could be confused for anchor
Lower anchors
none available
3
Tether anchor
easy-to-find location
no other hardware could be confused for anchor
Lower anchors
too deep in seat
too much force needed to attach
easy to maneuver around anchors
Technical measurements for this test

Seat position 21

3

Lower anchor A
Open access rated No
Depth (cm) 4-6
Force (lbs) 21
Clearance angle (degrees) 80
Lower anchor B
Open access rated No
Depth (cm) 4-6
Force (lbs) could not measure
Clearance angle (degrees) 76
Tether anchor
Location Rear deck
Confusing hardware present No
Has contrasting label
within 3 inches of tether anchor
No

Seat position 22

2

Lower anchor A
No lower latch for this seat position
Lower anchor B
No lower latch for this seat position
Tether anchor
Location Rear deck
Confusing hardware present No
Has contrasting label
within 3 inches of tether anchor
No

Seat position 23

1

Lower anchor A
Open access rated No
Depth (cm) 4-6
Force (lbs) could not measure
Clearance angle (degrees) 70
Lower anchor B
Open access rated No
Depth (cm) 4-6
Force (lbs) could not measure
Clearance angle (degrees) 78
Tether anchor
Location Rear deck
Confusing hardware present No
Has contrasting label
within 3 inches of tether anchor
No

How child seat anchors are evaluated