The 2018 Genesis G80 is associated with 95 official NHTSA owner defect complaints and 6 safety recall campaigns in the federal safety database. The most frequently reported component area is Electrical System, accounting for 13 reports (14% of total complaints). EPA testing covers 6 certified vehicle configurations spanning 3.8l 6-cyl, 3.3l 6-cyl, and 5l 8-cyl configurations. Gasoline and hybrid variants deliver 18 to 22 MPG combined.
Key Data Findings
- • NHTSA Owner Complaints: 95 reports
- • Safety Recall Campaigns: 6 campaigns
- • Top Reported Defect Area: Electrical System (13 / 14%)
- • Safety Incident Signals: 8 crash / 0 fire / 3 injury reports
- • NHTSA Overall Safety Rating: 5 / 5 Stars
- • EPA Efficiency: 18–22 MPG (6 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
| G80 RWD | 3.8L 6-Cyl | Rear-Wheel Drive | Automatic (S8) | 19 MPG | 27 MPG | 22 MPG | — | $2,800 / yr |
| G80 AWD | 3.8L 6-Cyl | All-Wheel Drive | Automatic (S8) | 18 MPG | 25 MPG | 20 MPG | — | $3,100 / yr |
| G80 AWD | 3.3L 6-Cyl | All-Wheel Drive | Automatic (S8) | 17 MPG | 24 MPG | 20 MPG | — | $3,800 / yr |
| G80 RWD | 3.3L 6-Cyl | Rear-Wheel Drive | Automatic (S8) | 17 MPG | 25 MPG | 20 MPG | — | $3,800 / yr |
| G80 RWD | 5L 8-Cyl | Rear-Wheel Drive | Automatic (S8) | 16 MPG | 24 MPG | 19 MPG | — | $4,000 / yr |
| G80 AWD | 5L 8-Cyl | All-Wheel Drive | Automatic (S8) | 15 MPG | 23 MPG | 18 MPG | — | $4,200 / yr |
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
| 4 DR AWD | | | | | 9.5% |
| 4 DR RWD | | | | | 9.5% |
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Standard and Lane Departure Warning (LDW) is documented as Standard in official NHTSA records for tested 2018 Genesis G80 models.
View complete 2018 Genesis G80 crash test & safety breakdown →
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2018 Genesis G80 problems & component breakdown (32 categories) →
Affected Component: ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID
Defect Summary: 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.
Free Manufacturer Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will install a remedy relay kit in the engine junction box, free of charge. Owner notification letters were mailed July 15, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 254(H) and 018G(G).
Affected Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
Defect Summary: 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.
Free Manufacturer Remedy: Owners are advised to park outside and away from structures until the remedy is complete. Hyundai will notify owners, and dealers will replace the ABS module fuse, free of charge. Owner notification letters were mailed July 6, 2021. Owners can contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 201 and 006G.
Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
Defect Summary: 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.
Free Manufacturer Remedy: Dealers will replace the left turbocharger oil feed pipe, free of charge. Owner notification letters were mailed May 3, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 019G. This recall expands and replaces recall number 19V-538. Vehicles previously repaired under 19V-538 will need to have the new remedy completed.
View all 2018 Genesis G80 recalls & campaign history (6 campaigns) →