2016 Hyundai Sonata fuel/propulsion system problems
33 owner complaints filed with NHTSA name the fuel/propulsion system on the 2016 Hyundai Sonata — 5% of all complaints for this model year.
What owners report
“My 2016 Hyundai Sonata (VIN: [XXX]) has a serious safety issue involving excessive engine oil consumption. The vehicle loses oil rapidly between changes and requires frequent top‑offs to avoid engine damage. This creates a risk of sudden engine failure while driving. The dealership, South Charlotte…”
filed Aug 6, 2026
“I have a car covered by the Theta II Settlement. Engine, fuel system. Metal shavings found in oil and oil is diluted with fuel and oil if overfilled 1 inch above full mark on dipstick upon pickup from dealership. The vehicle is available for inspection at my residence; however, it is currently…”
filed Apr 17, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Sonata years
| Year | Reports | Share |
|---|---|---|
| 2024 Sonata | 1 | 2% |
| 2023 Sonata | 37 | 43% |
| 2022 Sonata | 22 | 24% |
| 2021 Sonata | 20 | 15% |
| 2020 Sonata | 45 | 25% |
| 2019 Sonata | 12 | 7% |
| 2018 Sonata | 31 | 8% |
| 2017 Sonata | 33 | 4% |
| 2015 Sonata | 75 | 7% |
| 2014 Sonata | 49 | 7% |
| 2013 Sonata | 134 | 7% |
| 2012 Sonata | 99 | 6% |
Other reported problem areas on the 2016 Hyundai Sonata
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.