2020 Chevrolet Sonic problems and complaints
Owners have filed 11 complaints with NHTSA about the 2020 Chevrolet Sonic. The most-reported areas: Electrical System (6), Power Train (3), Engine (2).
Key takeaways
- 11 owner complaints on file with NHTSA.
- 0 involve a crash, 0 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 6 | 55% |
| Power Train | 3 | 27% |
| Engine | 2 | 18% |
| Engine And Engine Cooling | 1 | 9% |
| Seats | 1 | 9% |
| Unknown Or Other | 1 | 9% |
| Fuel/Propulsion System | 1 | 9% |
| Steering | 1 | 9% |
| Air Bags | 1 | 9% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2020 Chevrolet Sonic
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Oil filter
- Engine air filter
- Cabin air filter
- Wiper blades
- Headlight bulb
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2020 Chevrolet Sonic 5 HB FWD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2020 Chevrolet Sonic 4 DR FWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Engine And Engine Cooling - filed 2026-11-04
The contact owns a 2020 Chevrolet Sonic. The contact stated that the catalytic convertor had previously been replaced; however, the failure returned one year later. While driving at an undisclosed speed, the vehicle was shaking, and the check engine warning light briefly illuminated. There was smoke coming from the eng...
Engine - filed 2026-06-22
Engine Cooling System (Thermostat Housing / Water Outlet) The vehicle suffered a premature structural failure of the factory engine coolant thermostat housing. The component, which is manufactured from a fragile plastic composite, cracked completely open without warning, causing an immediate, rapid loss of engine coola...
Electrical System - filed 2025-11-01
Purchased from Carvana. Nine days after purchase came out to a dead battery took it to the authorized dealer and they said the battery was a bad cell battery. Replace the battery. Six days after they replaced the battery it was dead again. This time they had it in the shop for two weeks before they found the issue. It ...
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More for the 2020 Chevrolet Sonic
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.