G80 (1st)
Reliability Score
Complaints by Engine Code
3.8-V6-Gas
3.8L 6-cyl / 311 hpView details
Complaint Breakdown
3.3-V6-Gas
3.3L 6-cyl / 365 hpView details
Complaint Breakdown
5.0-V8-Gas
5.0L 8-cyl / 420 hpView details
Complaint Breakdown
Show 2 additional engine variants with limited data
Genesis G80 Unidentified Engine
View details
Complaint Breakdown
T-GDI, LAMBDA II
3.3L 6-cyl Turbo / 365 hpView details
Complaint Breakdown
Owner Complaints by System
Complaints owners filed with NHTSA about the Genesis G80, counted across every engine. A complaint can name more than one system.
What to check on a used 2017-2020 Genesis G80
On a used 2017-2020 Genesis G80, the systems with the most NHTSA owner complaints are the electrical system (52), the engine (36) and the steering (21). Each one has an inspection step below, with counts as of 2026-10-12. A complaint is an owner report, not a confirmed defect, and counts rise with sales.
- Switch on every electrical item in turn: lights, windows, locks, wipers, climate fan, screen and power outlets.Costly repair. NHTSA has 52 owner complaints on the 2017-2020 Genesis G80 about the electrical system.
- Start the engine cold and listen for the first 30 seconds, then again at idle once it is warm.Costly repair. NHTSA has 36 owner complaints on the 2017-2020 Genesis G80 about the engine, all engines combined.
- Turn the wheel from lock to lock while parked, then drive straight on a level road with a light grip.Safety. NHTSA has 21 owner complaints on the 2017-2020 Genesis G80 about the steering.
- Measure the tread on all four tires, read the date codes and look at each wheel.Safety. NHTSA has 20 owner complaints on the 2017-2020 Genesis G80 about the wheels and tires.
- Switch the ignition on and watch the airbag light. On the drive, check the backup camera and any collision or lane warning.Safety. NHTSA has 18 owner complaints on the 2017-2020 Genesis G80 about the airbags and driver-assist systems.
Recalls (6)
Hyundai Motor America (Hyundai) is recalling certain 2018-2020 Genesis G80, 2017-2022 G90, and 2019-2022 G70 vehicles equipped with a 3.3-liter V6 turbocharged engine. The left turbocharger oil feed pipe may deteriorate and leak oil.
Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis, 2017-2019 Genesis G80, Genesis G90, and 2019 Genesis G70 vehicles. Water may enter the starter solenoid and cause an electrical short, which can result in an engine compartment fire while parked or driving.
Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis and 2017-2020 Genesis G80 vehicles. The Anti-Lock Brake System (ABS) module could malfunction and short circuit.
Hyundai Motor America (Hyundai) is recalling certain 2018 Genesis G80 and 2017-2018 Genesis G90 vehicles equipped with 3.3 liter turbocharged engines. The turbocharger oil supply pipe may have a loose seal, causing oil to leak onto the exhaust manifold.
Hyundai Motor America (Hyundai) is recalling certain 2018 Genesis G80 vehicles. The Occupant Classification System (OCS) may incorrectly detect that an adult is in the passenger seat, even if the seat is unoccupied. In the event of a crash, if a child or infant is in the seat, the front passenger air bag may deploy instead of being deactivated.
Show 1 older recall
Hyundai Motor America (Hyundai) is recalling certain 2018 Hyundai Genesis G80 and Genesis G90 vehicles. The windshield and rear window on these vehicles may have been installed with incorrect primer, potentially reducing the glass bonding strength.
NHTSA Safety Ratings About NHTSA ratings
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Alternatives in Midsize Sedan
Frequently Asked Questions
What are the most common 2017-2020 Genesis G80 complaints?
Owners have filed 189 complaints with NHTSA about the 2017-2020 Genesis G80. The systems they name most often are the electrical system, the engine and the steering.
Is the 2017-2020 Genesis G80 a good used car?
That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 189 complaints with NHTSA about the 2017-2020 Genesis G80. Check which systems they name most often and whether a recall is still open on that car.
How many NHTSA complaints does the 2017-2020 Genesis G80 have?
NHTSA has 189 owner complaints on file for the 2017-2020 Genesis G80 as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.
What recalls affect the 2017-2020 Genesis G80?
NHTSA lists 6 recalls covering some 2017-2020 Genesis G80 vehicles. Which ones apply depends on the VIN: enter it at nhtsa.gov/recalls to see the open campaigns on a specific car.
What should I check before buying a used Genesis G80?
Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the electrical system, the engine and the steering, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and title issues.
What are the NHTSA crash test ratings for the G80?
The 2020 Genesis G80 received an overall 5-star safety rating from NHTSA. Frontal crash: 5 stars. Side crash: 5 stars. Rollover: 5 stars (9.5% rollover probability). Electronic Stability Control: Standard. Forward Collision Warning: Standard. Lane Departure Warning: Standard. These ratings are based on standardized crash tests conducted by the National Highway Traffic Safety Administration.
Data from NHTSA federal complaints database. 189 complaints analyzed. Data confidence: high. Last updated: 2026-10-12.