2017 Genesis G80 engine problems
17 owner complaints filed with NHTSA name the engine on the 2017 Genesis G80 — 26% of all complaints for this model year.
What owners report
“This vehicle experienced an engine overheating failure while driving, five days after a cooling-system repair (radiator hoses, valve cover gaskets, spark plugs) had been completed at the dealership. The dashboard displayed an explicit "Engine has overheated" warning, and the vehicle could not…”
filed Aug 23, 2026
“When you press on the gas accelerator- the car only moves at a few miles per hour. This is intermittent but makes the car undriveable and very dangerous to drive in traffic. The throttle body was replaced but now geneis says it is another electrical issue and the car needs a new harness- but gensis…”
filed Jun 17, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other G80 years
| Year | Reports | Share |
|---|---|---|
| 2019 G80 | 5 | 19% |
| 2018 G80 | 11 | 12% |
Other reported problem areas on the 2017 Genesis G80
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.