The Sonic LT/Premier offers an optional collision warning system, which detects an impending crash through forward mounted sensors and flashes a bright light and sounds a loud, distinctive tone to warn the driver to brake or maneuver immediately to avoid a collision. The Focus doesn't offer a collision warning system.
Both the Sonic and the Focus have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, front-wheel drive, height adjustable front shoulder belts, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, rearview cameras, available lane departure warning systems and rear parking sensors.
The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Chevrolet Sonic is safer than the Ford Focus:
|
|
Sonic |
Focus |
|
|
Driver |
|
| STARS |
5 Stars |
5 Stars |
| HIC |
152 |
201 |
| Neck Injury Risk |
31% |
31.3% |
|
|
Passenger |
|
| STARS |
5 Stars |
4 Stars |
| Chest Compression |
.3 inches |
.6 inches |
| Neck Injury Risk |
36% |
39.5% |
| Neck Stress |
166 lbs. |
173 lbs. |
| Leg Forces (l/r) |
200/219 lbs. |
404/227 lbs. |
New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.
A significantly tougher test than their original offset frontal crash test, the Insurance Institute for Highway Safety does 40 MPH small overlap frontal offset crash tests. In this test, where only 25% of the total width of the vehicle is struck, results indicate that the Chevrolet Sonic Sedan is safer than the Focus Sedan:
|
|
Sonic |
Focus |
| Overall Evaluation |
GOOD |
ACCEPTABLE |
| Restraints |
GOOD |
ACCEPTABLE |
| Head Neck Evaluation |
GOOD |
GOOD |
| Head injury index |
92 |
133 |
| Peak Head Forces |
0 G’s |
0 G’s |
| Steering Column Movement Rearward |
2 cm |
7 cm |
| Chest Evaluation |
GOOD |
GOOD |
| Hip & Thigh Evaluation |
GOOD |
GOOD |
| Femur Force R/L |
.9/.8 kN |
3.63/2.27 kN |
| Hip & Thigh Injury Risk R/L |
0%/0% |
1%/0% |
| Lower Leg Evaluation |
GOOD |
GOOD |
| Tibia index R/L |
.52/.41 |
.58/.42 |
The National Highway Traffic Safety Administration does side impact tests on new vehicles. In this test, which crashes the vehicle into a flat barrier at 38.5 MPH and into a post at 20 MPH, results indicate that the Chevrolet Sonic is safer than the Ford Focus:
|
|
Sonic |
Focus |
|
|
Front Seat |
|
| STARS |
5 Stars |
5 Stars |
| HIC |
104 |
125 |
| Abdominal Force |
184 G’s |
218 G’s |
|
|
Rear Seat |
|
| STARS |
5 Stars |
5 Stars |
| HIC |
239 |
347 |
| Spine Acceleration |
35 G’s |
60 G’s |
|
|
Into Pole |
|
| STARS |
5 Stars |
5 Stars |
| Max Damage Depth |
14 inches |
14 inches |
New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.
For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and with its optional front crash prevention system, the Insurance Institute for Highway Safety grants the Sonic the rating of “Top Pick” for 2016, a rating granted to only 145 vehicles tested by the IIHS. The Focus is not a “Top Pick” for 2016.
The Chevrolet Sonic has a better fatality history. The Sonic was involved in fatal accidents at a rate 8.6% lower per vehicle registered than the Focus, according to the Insurance Institute for Highway Safety.

