2018 Hyundai Sonata transmission problems
The 2018 Hyundai Sonata has 39 transmission complaints filed with NHTSA — 7% of the year's total, and down from the prior model year.
39
Transmission complaints
7%
Share of year
2
Crash-involved
0
Related recalls
Transmission complaints by year
What owners report
“The vehicle had safety and mechanical problems shortly after purchase, even with low mileage. The issues included warning lights, abnormal noises, repeated mechanical failures, and poor performance that affected the safe operation of the vehicle. These problems started early and continued over time…”
Common questions
How many transmission complaints does the 2018 Hyundai Sonata have?
NHTSA has 39 complaints about the 2018 Hyundai Sonata transmission — 7% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.