2018 Chevrolet Sonic Problems, Recalls & Reliability

23 owner complaints sit in the federal file for the 2018 Chevrolet Sonic, alongside 1 recall campaign and 0 defect investigations. It scores 3/100 on the trouble index — too lightly reported for a fair score.

23Complaints
3/100Trouble index
1Recalls

Few reports

Where 2018 sits among all Sonic years

Darker = quieter yearsBrighter amber = more trouble

What owners report

Electrical 6 complaints (26%)
Engine 4 complaints (17%)
Seats & interior 2 complaints (9%)
Wheels & tires 2 complaints (9%)
Other 2 complaints (9%)
Fuel system 2 complaints (9%)

Recalls (1)

SEATS 18V342000 2018

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.

Fix: 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…

Technical service bulletins

818 manufacturer communications — service bulletins, the biggest share on engine and electrical — are on file for the 2018 Chevrolet Sonic. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

See the 2018 Sonic TSB list →

Complaint history for this model year

When owners filed their reports — a long tail means problems kept surfacing for years.

2018peak 5 in 20192025

Questions buyers ask

Is the 2018 Chevrolet Sonic reliable?

The 2018 Chevrolet Sonic drew 23 complaints in federal safety records — too lightly reported for a fair score. Its trouble index is 3/100, scored against the model's worst year (2012).

What are the most common 2018 Chevrolet Sonic problems?

The top reported problems for the 2018 Chevrolet Sonic are electrical (6 complaints), engine (4), and seats & interior (2).

Does the 2018 Chevrolet Sonic have recalls?

1 recall campaign applies to the 2018 Chevrolet Sonic. Recall repairs are free at any franchised dealer.

← 2017 Sonic All Sonic years 2019 Sonic →
Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.