2018 Chevrolet Sonic Problems
Shopping for a used 2018 Chevrolet Sonic? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Based on 14 real NHTSA owner complaints, with Electrical Faults the most reported area.
Before you buy
This 2018 Chevrolet Sonic has 14 NHTSA complaints — top issue: Electrical Faults.
A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.
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2018 Chevrolet Sonic Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 8 2018 Chevrolet Sonic trim configurations. The median figure is shown; range reflects all available trims.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 8 trims analysed.
2018 Chevrolet Sonic Safety Ratings
NHTSA 5-Star Program2 variants tested — showing 2018 Chevrolet Sonic 4 DR FWDOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
12.6% rollover risk
Frontal Crash
Side Crash
Rollover
12.6% probability
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2018 Chevrolet Sonic has 14 owner complaints, 0 crash-related complaints, and 1 recall campaign on record. The most frequently reported component is Electrical Faults. NHTSA reliability signal: Good Record.
- Make
- Chevrolet
- Model
- Sonic
- Model year
- 2018
- NHTSA owner complaints
- 14
- Crash-related complaints
- 0
- Safety recall campaigns
- 1
- Top reported component
- Electrical Faults
- Reliability signal
- Good Record
- EPA MPG combined
- 30
- EPA MPG city / highway
- 27 / 35
- Fuel type
- Regular Gasoline
- NHTSA overall safety rating
- 5/5 stars
- NHTSA frontal crash rating
- 5/5 stars
- NHTSA side crash rating
- 5/5 stars
- NHTSA rollover rating
- 4/5 stars
- Electronic stability control
- Standard
Common problems
Most common 2018 Chevrolet Sonic problems
Top owner-reported complaint areas and where they often appear.
Electrical Faults
Engine Problems
Uncategorized Issues
Complaint patterns center on Electrical Faults, Engine Problems, Uncategorized Issues. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Buyer verdict
Should you buy a used 2018 Chevrolet Sonic?
The 2018 Chevrolet Sonic looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
Pre-purchase
What to check before buying a used 2018 Chevrolet Sonic
Inspection Focus
- Inspect electrical systems, including wiring and infotainment, for known faults.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine and electrical repairs.
- Have a mechanic inspect the vehicle before purchase.
Before You Close the Deal
- Inspect electrical systems, including wiring and infotainment, for known faults.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine and electrical repairs.
- Have a mechanic inspect the vehicle before purchase.
Check the exact car
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2018 Chevrolet Sonic, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
AI verdict
What the complaint data suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Based on 14 complaints for the 2018 Chevrolet Sonic, issues appear concentrated in electrical faults and engine problems. No crash-related complaints were reported, but the low complaint volume limits confidence in these patterns.
- Electrical faults account for the highest number of complaints among all components.
- Engine problems are the second most reported issue.
- No crash-related complaints were recorded for this model year.
- Electrical faults: 5 complaints reported.
- Engine problems: 4 complaints reported.
- Seat-related issues: 2 complaints reported.
Full breakdown
All 2018 Chevrolet Sonic complaints by category
Every owner-reported complaint category filed with NHTSA for the 2018 Chevrolet Sonic. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 5 | — | — | — | |
| Engine Problems | 4 | — | — | — | |
| Uncategorized Issues | 2 | — | — | — | |
| Seat-Related Issues | 2 | — | — | — | |
| Wheel Issues | 2 | — | — | — | |
| Fuel System | 1 | — | — | — | |
| Gasoline | 1 | — | — | — | |
| Airbag Malfunctions | 1 | — | — | — | |
| Fuel/Propulsion System | 1 | — | — | — | |
| Parking-Brake Issues | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Visibility/Wiper | 1 | — | — | — | |
| Steering Defects | 1 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
In their words
Real owner complaints
Read what owners actually reported to NHTSA for the 2018 Chevrolet Sonic. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Dear GM Executive Office, I am writing in frustration and disappointment after being told today by Chevrolet Customer Assistance that the case I opened (Case # [XXX]) was simply a "dealer complaint" and that no further help would be offered - despite my vehicle exhibiting a recu…
The contact owns a 2018 Chevrolet Sonic. The contact stated that while driving at an undisclosed speed, the engine was idling roughly. The contact stated that the check engine warning light was illuminated. Additionally, the contact stated that the vehicle was consuming an excess…
My car has had CAM shaft issues upon buying the car. I have taken the car to Chevrolet in Dallas and in Forney, TX and the car still has the same issue. My car engine check light has remained on and consulting a personal mechanic, they informed me that this could be a recall issu…
The contact owns a 2018 Chevrolet Sonic. The contact stated that while a 95-pound passenger was seated in the front passenger’s seat, the air bag system was deactivated. The vehicle was taken to the local dealer who was unable to determine a failure and indicated no failure was f…
The has as well as mileage is not accurate and it constantly changes even while not driving which is adding more miles to car than actually is and you will never know how much gas you have in car truly which is safety concern especially if you are driving on interstate and can’t …
The contact owns a 2018 Chevrolet Sonic. The contact stated that operating the vehicle, the front driver side seat would erroneously slide forward causing the driver's knees to make contact with the dash panel. In addition, while driving at various speeds the vehicle had suddenly…
MY RADIO TURNS OFF AND ON, ON ITS OWN. ALSO WHEN I HAVE MY BLUETOOTH TURNED ON FOR MY PHONE, IT GETS STUCK AFTER I HANG UP THE PHONE AFTER A CALL. I WAS DRIVING HOME FROM WORK ON A STATE ROAD. MY RIGHT WHEEL BEARING WENT OUT AND I HAD TO REPLACE IT LAST YEAR.
THE PASSENGER SEAT BELT DOES NOT CLIP OR WILL COME UNDONE AT ANY GIVEN TIME. I MADE THE DEALERSHIP AWARE OF THE CONCERN WHEN THE VEHICLE HAD APPROXIMATELY 39,000 MILES. THEY STATED THAT SINCE IT WAS OUT OF WARRANTY IT DID NOT QUALIFY FOR PRODUCTION DEFECT. THIS IS A SAFETY CONCER…
TODAY I'M WRITING IN BEHALF OF CARITE OF OAKLAND PARK I HAD A EMAIL CHAT WITH BRIAN MCCOY THE BRANCH OWNER OF THE COMPANY, I WAS TOLD BY HIM THAT THE CAR WAS PUT IN AS REPO STATUS, DUE TO ME GIVING THE CAR BACK. I FEEL MY LIFE WAS PUT IN DANGER NUMEROUS OF TIMES AND DUE TO THE N…
HAVING AN ISSUE WITH THE RADIO ITSELF, ITS WENT BLACK A FEW TIMES ON ME AS I WAS DRIVING. AND ALSO WHEN I WAS PARKED. NO RESPONSE ON IT AT ALL. IM AFRAID IF SOMETHING HAPPENS LIKE WHEN IM IN A WRECK AND WHEN I TRY TO CALL ONSTAR WHILE ITS NOT WORKING IM AFRAID OF IT NOT CONNECTIN…
MY 2018 CHEVROLET SONIC RADIO SCREEN WENT BLACK WITHOUT WARNING WHILE I WAS DRIVING. I LOST ALL FUNCTIONS THROUGH THE RADIO SCREEN. THIS HAPPENED A SECOND TIME IN ROUTE TO WORK WITHIN A FEW DAYS. I'M CONCERNED THAT THE RADIO MAY GO BLACK DURING AN EMERGENCY WHEN I NEED TO USE ON …
THE 2018 SONIC IS NOT SAFE TO DRIVE IN THE SNOW. IT HAS NO TRACTION TO START FROM A STOPPED POSITION, NO TRACTION TO STOP AND NO ABILITY TO CONTROL STEERING OR TURNING.
DURING NIGHT OPERATION, THE BACKLIGHT OF THE CENTER SCREEN IS SO BRIGHT IT CAUSES DIFFICULTY SEEING THE ROAD. THE INSTRUMENT CLUSTER IS AT AN ACCEPTABLE LEVEL (AS ADJUSTED BY THE SWITCH TO THE LEFT OF THE STEERING WHEEL), BUT THE CENTER SCREEN IS STILL TOO BRIGHT. A SIMPLE FLOA…
MY DRIVER SEAT DROPS A LEVEL WHILE I DRIVE . VERY DANGEROUS AND HAZARDOUS.
Source: NHTSA Complaints Database. Real owner reports for the 2018 Chevrolet Sonic.
Safety recalls
2018 Chevrolet Sonic recalls
1 campaignNHTSA recall campaigns for the 2018 Chevrolet Sonic. 1 recall campaign is on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
SEATS
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Questions
2018 Chevrolet Sonic buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2018 Chevrolet Sonic reliable?▾
Good Record. NHTSA currently shows 14 owner complaints, 0 crash-related complaints, and 1 recall campaign for this model year. The 2018 Chevrolet Sonic looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2018 Chevrolet Sonic?▾
#1: Electrical Faults (5 complaints). #2: Engine Problems (4 complaints). #3: Uncategorized Issues (2 complaints)
At what mileage do problems start on the 2018 Chevrolet Sonic?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2018 Chevrolet Sonic?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2018 Chevrolet Sonic, NHTSA complaints include 0 crash-related reports and 0 fire reports out of 14 total complaints. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2018 Chevrolet Sonic have any recalls?▾
Yes. 1 NHTSA recall campaign affect the 2018 Chevrolet Sonic. A major recall area is SEATS. 1 recall campaign is on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2018 Chevrolet Sonic?▾
The 2018 Chevrolet Sonic looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Electrical Faults during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Chevrolet Sonic reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2018 Chevrolet Sonic based on your ownership experience.
Add your rating:
Ratings are based on owner experience and are separate from NHTSA data shown above.
Before you buy
Check the exact vehicle history before you buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.