2018 Chevrolet Sonic
Only 14 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 14 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2011 | 1 |
| 2012 | 353 |
| 2013 | 217 |
| 2014 | 149 |
| 2015 | 114 |
| 2016 | 48 |
| 2017 | 37 |
| 2018 | 14 |
| 2019 | 8 |
| 2020 | 10 |
KNOWN PROBLEM AREAS
Only 14 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
5 of 14 total reports mention: electrical system.
4 of 14 total reports mention: engine.
Show complaint excerpts
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 -...
NHTSA ODI report, 20250722
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.
NHTSA ODI report, 20250515
2 of 14 total reports mention: wheels.
2 of 14 total reports mention: seats.
Show complaint excerpts
MY DRIVER SEAT DROPS A LEVEL WHILE I DRIVE . VERY DANGEROUS AND HAZARDOUS.
NHTSA ODI report, 20181114
1 of 14 total reports mentions: visibility/wiper.
SAFETY TIMELINE
General Motors LLC (GM) is recalling certain 2018 Chevrolet Sonic vehicles. A joint in the driver's seat-back frame may not be properly welded, reducing the strength of the seat-back frame.
Remedy: GM will notify owners, and dealers will replace the driver's seat-back, free of charge. The recall began June 28, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 18178.
Campaign 18V342000 — check if this car was fixed
BUY-SMART CHECKLIST
2018 Chevrolet Sonic — pre-purchase inspection
- Test/inspect for electrical system issues (5 reports on file for this year).
- Test/inspect for engine issues (4 reports on file for this year).
- Test/inspect for wheels issues (2 reports on file for this year).
- Verify recall 18V342000 (seats) has been completed.
OTHER YEARS OF THIS MODEL
BEST YEARS
WORST YEARS
FAQ
Is the 2018 Chevrolet Sonic reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2018 Chevrolet Sonic?
The most-reported component is electrical system, accounting for 36% of complaints on file.
How many recalls does the 2018 Chevrolet Sonic have?
1 recall on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.