Top Safety Pick + Top Safety Pick criteria

2021 Subaru Ascent

midsize SUV / 4-door SUV

2021 Subaru Ascent 4-door SUV
2020 Subaru Ascent shown

Crashworthiness

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

Crash avoidance & mitigation

Headlights
Front crash prevention: vehicle-to-vehicle
Standard system
Superior
Front crash prevention: pedestrian (day)
Standard system
Superior

Seat belts & child restraints

LATCH ease of use
+

Other available safety features

  • Standard daytime running lights
  • Optional blind spot detection
  • Standard lane departure warning
  • Standard 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 2019-24 models

Tested vehicle: 2019 Subaru Ascent Premium 4-door 4wd

The Subaru Ascent was introduced in the 2019 model year.

Overall evaluation
Structure and safety cage
Driver injury measures
Head/neck
Chest
Hip/thigh
Lower leg/foot
Driver restraints and dummy kinematics

Action shot taken during the driver-side 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 frontal and side curtain airbags worked well together to keep the head from coming close to any stiff structure or outside objects that could cause injury.

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 CEN1808
Lower occupant compartment
Lower hinge pillar max (cm) 2
Footrest (cm) 4
Left toepan (cm) 2
Brake pedal (cm) 2
Parking brake (cm)
Rocker panel lateral average (cm) 0
Upper occupant compartment
Steering column 0
Upper hinge pillar max (cm) 2
Upper dash (cm) 3
Lower instrument panel (cm) 2

Driver injury measures

Test ID CEN1808
Head
HIC-15 71
Peak gs at hard contact no contact
Neck
Tension (kN) 0.8
Extension bending moment (Nm) 11
Maximum Nij 0.18
Chest maximum compression (mm) 27
Femur (kN)
Left 0.8
Right 0.1
Knee displacement (mm)
Left 2
Right 1
Knee-thigh-hip injury risk (%)
Left 0
Right 0
Maximum tibia index
Left 0.51
Right 0.39
Tibia axial force (kN)
Left 1.8
Right 0.1
Foot acceleration (g)
Left 62
Right 24

How the driver-side small overlap front test is conducted

Small overlap front: passenger-side

Rating applies to 2019-24 models

Tested vehicle: 2019 Subaru Ascent Limited 4-door 4wd

The Subaru Ascent was introduced in the 2019 model year. Passenger-side small overlap frontal ratings are assigned by the Institute based on a test conducted by Subaru as part of frontal crash test verification.

Overall evaluation
Structure and safety cage
Passenger injury measures
Head/neck
Chest
Hip/thigh
Lower leg/foot
Passenger restraints and dummy kinematics
Driver injury measures
Head/neck
Chest
Hip/thigh
Lower leg/foot
Driver restraints and dummy kinematics
Technical measurements for this test

Measures of occupant compartment intrusion on passenger side

Test ID VTP1823
Lower occupant compartment
Lower hinge pillar max (cm) 3
Footrest (cm) 5
Right toepan (cm) 3
Center toepan (cm) 1
Rocker panel lateral average (cm) 0
Upper occupant compartment
Center dash (cm) 2
Upper hinge pillar max (cm) 3
Upper dash (cm) 3
Right lower dash (cm) 3

Passenger injury measures

Test ID VTP1823
Head
HIC-15 84
Peak gs at hard contact no contact
Neck
Tension (kN) 0.7
Extension bending moment (Nm) 26
Maximum Nij 0.15
Chest maximum compression (mm) 20
Femur (kN)
Left 0.1
Right 0.1
Knee displacement (mm)
Left 0
Right 1
Knee-thigh-hip injury risk (%)
Left 0
Right 0
Maximum tibia index
Left 0.45
Right 0.75
Tibia axial force (kN)
Left 0.8
Right 1.8
Foot acceleration (g)
Left 39
Right 39

Driver injury measures

Test ID VTP1823
Head
HIC-15 40
Peak gs at hard contact no contact
Neck
Tension (kN) 1.3
Extension bending moment (Nm) 30
Maximum Nij 0.25
Chest maximum compression (mm) 32
Femur (kN)
Left 0.4
Right 0.3
Knee displacement (mm)
Left 1
Right 1
Knee-thigh-hip injury risk (%)
Left 0
Right 0
Maximum tibia index
Left 0.40
Right 0.52
Tibia axial force (kN)
Left 0.9
Right 0.5
Foot acceleration (g)
Left 37
Right 48

How the passenger-side small overlap front test is conducted

Moderate overlap front: original test

Rating applies to 2019-24 models

Tested vehicle: 2019 Subaru Ascent 4-door 4wd

The Subaru Ascent was introduced in the 2019 model year.

Overall evaluation
Structure and safety cage
Driver injury measures
Head/neck
Chest
Leg/foot, left
Leg/foot, right
Driver restraints and dummy kinematics

Action shot taken during the moderate overlap frontal crash test.

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

Smeared greasepaint indicates where the dummy's head contacted the side curtain airbag during forward movement and rebound.

Intrusion into the driver's space was minimal, and all leg and foot injury measures were low.

Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID CEF1802
Footwell intrusion
Footrest (cm) 4
Left (cm) 5
Center (cm) 7
Right (cm) 3
Brake pedal (cm) 1
Instrument panel rearward movement
Left (cm) 0
Right (cm) 0
Steering column movement
Upward (cm) -5
Rearward (cm) -5
A-pillar rearward movement (cm) 0

Driver injury measures

Test ID CEF1802
Head
HIC-15 156
Peak gs at hard contact no contact
Neck
Tension (kN) 1.3
Extension bending moment (Nm) 9
Maximum Nij 0.22
Chest maximum compression (mm) 35
Legs
Femur force - left (kN) 0.6
Femur force - right (kN) 0.5
Knee displacement - left (mm) 2
Knee displacement - right (mm) 1
Maximum tibia index - left 0.20
Maximum tibia index - right 0.36
Tibia axial force - left (kN) 1.4
Tibia axial force - right (kN) 1.5
Foot acceleration (g)
Left 47
Right 57

How the moderate overlap front test is conducted

Side: original test

Rating applies to 2019-23 models

Tested vehicle: 2019 Subaru Ascent Limited 4-door 4wd

The Subaru Ascent was introduced in the 2019 model year.

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

View of the vehicle and barrier just after the crash test.

View of the vehicle after the crash with doors removed, showing the side airbags and damage to the occupant compartment.

Smeared greasepaint shows where the driver dummy's head was protected from being hit by hard structures by the side curtain airbag.

Smeared greasepaint shows where the rear passenger dummy’s head was protected by the side airbag.

Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID CES1807
B-pillar to longitudinal centerline of driver's seat (cm) -18.5
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.

Driver injury measures

Test ID CES1807
Head HIC-15 48
Neck
Tension (kN) 0.7
Compression (kN) 0.2
Shoulder
Lateral deflection (mm) 21
Lateral force (kN) 1.2
Torso
Maximum deflection (mm) 24
Average deflection (mm) 20
Maximum deflection rate (m/s) 3.29
Maximum viscous criterion (m/s) 0.36
Pelvis
Iliac force (kN) 0.5
Acetabulum force (kN) 1.5
Combined force (kN) 2.0
Left femur
L-M force (kN) 0.8
L-M moment (Nm) 81
A-P moment (Nm) -14

Passenger injury measures

Test ID CES1807
Head HIC-15 85
Neck
Tension (kN) 0.2
Compression (kN) 0.5
Shoulder
Lateral deflection (mm) 18
Lateral force (kN) 0.9
Torso
Maximum deflection (mm) 16
Average deflection (mm) 10
Maximum deflection rate (m/s) 1.62
Maximum viscous criterion (m/s) 0.07
Pelvis
Iliac force (kN) 0.1
Acetabulum force (kN) 0.6
Combined force (kN) 0.6
Left femur
L-M force (kN) 0.7
L-M moment (Nm) 137
A-P moment (Nm) -33

How the side crash test is conducted

Side: updated test

Rating applies to 2019-24 models

Tested vehicle: 2022 Subaru Ascent Premium 4-door 4wd

The Subaru Ascent was introduced in the 2019 model year.

Overall evaluation
Structure and safety cage
Driver injury measures
Head/neck
Torso
Pelvis
Driver head protection
Rear passenger injury measures
Head/neck
Torso
Pelvis
Rear passenger head protection

View of the vehicle just after the crash test.

View of the vehicle after the crash with doors removed, showing the side airbags and damage to the occupant compartment.

Smeared greasepaint shows where the driver dummy's head was protected from being hit by hard structures by the side airbags.

Smeared greasepaint shows where the rear passenger dummy’s head was protected by the side airbag.

Technical measurements for this test

Measures of occupant compartment intrusion on driver side

Test ID CES2212
B-pillar to longitudinal centerline of driver's seat (cm) -14.5
Negative numbers indicate the amount by which the crush stopped short of the seat centerline.

Driver injury measures

Test ID CES2212
Head
HIC-15 82
Peak gs at hard contact no contact
Neck
Tension (kN) 0.8
Compression (kN) 0.4
Shoulder
Lateral deflection (mm) 21
Lateral force (kN) 0.9
Torso
Maximum deflection (mm) 25
Average deflection (mm) 23
Maximum deflection rate (m/s) 2.66
Maximum viscous criterion (m/s) 0.27
Pelvis
Combined force (kN) 4.1

Passenger injury measures

Test ID CES2212
Head
HIC-15 211
Peak gs at hard contact no contact
Neck
Tension (kN) 0.4
Compression (kN) 0.6
Shoulder
Lateral deflection (mm) 32
Lateral force (kN) 1.6
Torso
Maximum deflection (mm) 30
Average deflection (mm) 27
Maximum deflection rate (m/s) 4.06
Maximum viscous criterion (m/s) 0.57
Pelvis
Combined force (kN) 0.9

How the side crash test is conducted

Roof strength

Rating applies to 2019-23 models

Tested vehicle: 2019 Subaru Ascent Premium 4-door 4wd

Overall evaluation
Curb weight 4,436 lbs
Peak force 21,302 lbs
Strength-to-weight ratio 4.80

How the roof strength test is conducted

Head restraints & seats

Seat type: Power cloth seat

Overall evaluation
Dynamic rating
Seat/head restraint geometry
Technical measurements for this test
Seat type Power cloth seat
Geometry
Backset (mm) 36
Distance below top of head (mm) -6
Seat design parameters
Pass/fail Pass
Max T1 acceleration (g) 9.5
Head contact time (ms) 66
Force rating 1
Neck forces
Max neck shear force (N) 0
Max neck tension (N) 345

How the head restraint & seat test is conducted
Currently, IIHS tests apply only to front seats.

Headlights

Trim level(s)

  • All trims
Low-beam headlight type LED projector
High-beam headlight type LED projector
Curve-adaptive? Yes
High-beam assist? Yes
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 High-beam assist credit Some glare

Low 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 on the gradual left and both right curves and fair on the sharp left curve.

The low beams created some glare.

High beams
On the straightaway, visibility was good on both sides of the road. On curves, visibility was good in all 4 tests.

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

Technical measurements for this test
Trim level(s)
  • All trims
Low-beam headlight type LED projector
High-beam headlight type LED projector
Curve-adaptive? Yes
High-beam assist? Yes
Overall rating
Applies to 2019-24 models
LOW BEAMS Average minimum useful
illumination distance (5 lux)
Amount glare
exceeded threshold
Straightaway right edge 109.4 m None
Straightaway left edge 51.9 m None
250m radius right curve, right edge 79.3 m None
250m radius left curve, left edge 66.8 m 19.9%
150m radius right curve, right edge 72.0 m None
150m radius left curve, left edge 52.2 m 34.9%
HIGH BEAMS Average minimum useful
illumination distance (5 lux)
Straightaway right edge 148.9 m
Straightaway left edge 145.1 m
250m radius right curve, right edge 81.4 m
250m radius left curve, left edge 89.6 m
150m radius right curve, right edge 66.6 m
150m radius left curve, left edge 71.2 m

How headlights are evaluated

Front crash prevention: vehicle-to-vehicle

System details

  • Standard EyeSight Driver-Assist System

Overall evaluation

Applies to 2019-22 models

Superior
Superior
  • This system meets the requirements for forward collision warning.
  • In the 12 mph test, this vehicle avoided a collision.
  • In the 25 mph test, this vehicle avoided a collision.

How front crash prevention is evaluated

Front crash prevention: pedestrian (day)

System details

  • standard EyeSight Driver-Assist System

Overall evaluation

This rating applies to all 2020-22 models

Superior
Superior

Crossing child

  • In the 12 mph test, this vehicle nearly avoided a collision.
  • In the 25 mph test, impact speed was reduced by 18 mph.

Crossing adult

  • In the 12 mph test, this vehicle avoided a collision.
  • In the 25 mph test, this vehicle avoided a collision.

Parallel adult

  • In the 25 mph test, this vehicle avoided a collision.
  • In the 37 mph test, impact speed was reduced by 30 mph. A warning was issued 2.6 seconds before impact.

Child seat anchors

Rating applies to 2019-24 models

Overall evaluation
+
extra LATCH positions
Vehicle trim Premium
Seat type cloth

This vehicle has 3 rear seating positions with complete child seat attachment (LATCH) hardware.

It has 2 additional seating positions with a tether anchor only.

It has 1 additional seating position with a tether anchor, a single lower anchor and the ability to borrow the second anchor from another position.

Note: When anchors are borrowed, they aren't available to use in their designated positions.

Overall evaluation
+
extra LATCH positions
Vehicle trim Premium
Seat type cloth
1 2 3 6 4 5
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
not too deep in seat
not 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
1 dedicated anchor and 1 that can be borrowed from seat 3
not too deep in seat
not too much force needed to attach
easy to maneuver around anchors
3
Tether anchor
easy-to-find location
no other hardware could be confused for anchor
Lower anchors
not too deep in seat
not too much force needed to attach
easy to maneuver around anchors
4
Tether anchor
easy-to-find location
no other hardware could be confused for anchor
Lower anchors
none available
5
Tether anchor
easy-to-find location
no other hardware could be confused for anchor
Lower anchors
none available
6
Tether anchor
easy-to-find location
no other hardware could be confused for anchor
Lower anchors
not too deep in seat
not 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 Yes
Depth Visible
Force (lbs) 0
Clearance angle (degrees) 85
Lower anchor B
Open access rated Yes
Depth Visible
Force (lbs) 1
Clearance angle (degrees) 85
Tether anchor
Location Middle seatback
Confusing hardware present No
Has contrasting label
within 3 inches of tether anchor
Yes

Seat position 22

2

Lower anchor A
Lower latch is shared for this seat position
Lower anchor B
Open access rated No
Depth (cm) -2-0
Force (lbs) 6
Clearance angle (degrees) 76
Tether anchor
Location Middle seatback
Confusing hardware present No
Has contrasting label
within 3 inches of tether anchor
Yes

Seat position 23

1

Lower anchor A
Open access rated Yes
Depth Visible
Force (lbs) 1
Clearance angle (degrees) 82
Lower anchor B
Open access rated Yes
Depth Visible
Force (lbs) 1
Clearance angle (degrees) 84
Tether anchor
Location Middle seatback
Confusing hardware present No
Has contrasting label
within 3 inches of tether anchor
Yes

Seat position 31

6

Lower anchor A
Open access rated No
Depth (cm) 0-2
Force (lbs) 9
Clearance angle (degrees) 66
Lower anchor B
Open access rated No
Depth (cm) 0-2
Force (lbs) 10
Clearance angle (degrees) 62
Tether anchor
Location Middle seatback
Confusing hardware present Yes
Has contrasting label
within 3 inches of tether anchor
Yes

Seat position 32

5

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

Seat position 33

4

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

How child seat anchors are evaluated