2018 Chevrolet Sonic Safety Report

2018 Chevrolet Sonic: Strong crash test scores, but a critical seat recall and recurring electrical/engine complaints noted.

14Complaints
1Recalls
★★★★★Safety Rating
65/100Reliability Score
Most reported components: Electrical System (2)Engine (1)Fuel System, Gasoline,Engine (1)Unknown Or Other (1)Air Bags (1)Electrical System,Fuel/Propulsion System (1)Parking Brake,Seats,Engine (1)Electrical System,Wheels (1)Seat Belts (1)Electrical System,Engine,Visibility/Wiper (1)

AI Safety Analysis for the 2018 Chevrolet Sonic

The 2018 Chevrolet Sonic presents a mixed safety profile. While it boasts excellent crash test performance with a 5-star overall safety rating from NHTSA, including 5 stars for frontal and side impacts and 4 stars for rollover, its complaint data reveals several concerning patterns. With 14 total complaints, there are no reported crashes, fires, injuries, or deaths, which is positive. However, a significant recall addresses a critical safety defect: a potentially improperly welded driver's seat-back frame that could fail in a rear-impact crash, increasing injury risk. This recall directly correlates with at least one complaint describing the driver's seat erroneously sliding forward or dropping a level while driving, highlighting a real-world manifestation of the defect. Beyond the recall, common complaint patterns include issues with the electrical system (2 complaints), engine (1 complaint, with multiple mentions of 'CAM shaft issues' and 'check engine light'), and various other components. Several complaints detail problems with the radio turning off/on or going black, which could impact emergency communication systems like OnStar. Other notable issues include an inaccurate fuel gauge/mileage display, a deactivated passenger airbag with a 95-pound passenger, and a passenger seat belt that does not clip or comes undone. These issues, while not directly linked to crashes, represent potential safety hazards or significant reliability concerns. Overall, the 2018 Chevrolet Sonic demonstrates strong passive safety in crash tests. However, the recall concerning the driver's seat-back frame is a serious defect that owners should ensure has been addressed. Furthermore, the recurring electrical and engine-related complaints, along with specific issues like the passenger airbag and seat belt, suggest potential reliability and active safety concerns that prospective buyers should be aware of. The low number of total complaints (14) for a vehicle of this age is relatively good, but the nature of some complaints points to significant individual problems.

Reliability Score

The 2018 Chevrolet Sonic receives a reliability score of 65 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates average reliability — some notable concerns exist that prospective buyers should be aware of.

Known Issues for the 2018 Chevrolet Sonic

The following issues have been identified from NHTSA complaint data and owner reports for the 2018 Chevrolet Sonic:

IssueSeverityFrequencyTypical Mileage
Driver'S Seat-Back Frame Defect
A joint in the driver's seat-back frame may not be properly welded, reducing strength and increasing injury risk in a rear-impact crash. Correlates with complaints of the seat sliding or dropping.		 High Rare unknown miles
Radio/Infotainment System Malfunction
Radio turns off/on, goes black, or Bluetooth gets stuck, potentially affecting emergency communication.		 Medium Occasional unknown miles
Engine Issues (Cam Shaft, Rough Idle, Check Engine Light)
Multiple complaints about CAM shaft issues, rough idling, and persistent check engine light.		 Medium Occasional unknown miles
Passenger Airbag Deactivation
Airbag system deactivated with a 95-pound passenger, indicating a potential sensor or system fault.		 High Rare unknown miles
Passenger Seat Belt Malfunction
Passenger seat belt does not clip or comes undone, posing a significant safety risk.		 High Rare 39000 miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2018 Chevrolet Sonic:

Electrical System 14% of complaints

Issues with radio/infotainment system turning off/on, going black, and Bluetooth problems.

Engine 7% of complaints

Complaints related to CAM shaft issues, rough idling, and persistent check engine light.

Seats 7% of complaints

Driver's seat sliding or dropping, and passenger seat belt not clipping/coming undone.

Air Bags 7% of complaints

Passenger airbag deactivation with a seated passenger.

Fuel System, Gasoline,Engine 7% of complaints

Rough engine idle and excessive fuel consumption.

Frequently Asked Questions About the 2018 Chevrolet Sonic

Is the 2018 Chevrolet Sonic safe?

Based on NHTSA data, the 2018 Chevrolet Sonic received excellent crash test ratings (5-star overall, frontal, and side; 4-star rollover). However, there is a critical recall for a potentially improperly welded driver's seat-back frame that could increase injury risk in a crash. While total complaints are low (14), specific issues like radio malfunctions, engine problems, and passenger airbag/seat belt concerns have been reported.

What are common problems with the 2018 Chevrolet Sonic?

The most reported issues for the 2018 Chevrolet Sonic include electrical system problems (14% of complaints) such as the radio turning off/on or going black, engine issues (7%) like CAM shaft problems and rough idling, and seat-related concerns (7%) including the driver's seat sliding and passenger seat belt malfunctions. There's also a recall for a driver's seat-back frame defect.

Has the 2018 Chevrolet Sonic had any recalls?

Yes, the 2018 Chevrolet Sonic has had one recall. General Motors LLC recalled certain 2018 Chevrolet Sonic vehicles because a joint in the driver's seat-back frame may not be properly welded, which could reduce the seat-back's strength and increase the risk of injury in a rear-impact crash.

How does the 2018 Chevrolet Sonic perform in crash tests?

The 2018 Chevrolet Sonic performed very well in NHTSA crash tests, receiving a 5-star overall safety rating. It earned 5 stars for both frontal and side crash tests, and 4 stars for rollover resistance.

Are there any issues with the 2018 Chevrolet Sonic's airbags or seat belts?

Yes, there are reported issues. One complaint details the passenger airbag system deactivating with a 95-pound passenger. Another complaint states the passenger seat belt does not clip or comes undone, which is a significant safety concern. Additionally, the recall addresses a defect in the driver's seat-back frame, which is directly related to occupant safety in a crash.

Buyer Advice

Our recommendation: Ensure the critical driver's seat-back recall has been addressed. Be aware of potential electrical and engine issues, and thoroughly check the functionality of airbags and seat belts during inspection.

NHTSA Data Summary for 2018 Chevrolet Sonic

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2018 Chevrolet Sonic. The data includes 14 consumer complaints filed by vehicle owners, 1 manufacturer-initiated safety recalls, and safety rating assessments associated with this vehicle.

The NHTSA has assigned the 2018 Chevrolet Sonic an overall safety rating of 5 out of 5 stars, with a frontal crash rating of 5 stars, a side crash rating of 5 stars, and a rollover rating of 4 stars. These ratings are determined through controlled crash testing conducted by the NHTSA.

All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.

Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.