2018 Genesis G80
Vehicle Specs & Maintenance Data
The 2018 Genesis G80 maintenance specs on this page cover the key fluids, torque values, and wear items you need for routine service. Use these numbers as a quick reference when performing oil changes, tire rotations, brake jobs, and other scheduled maintenance on your Genesis G80.
For oil changes, the 2018 Genesis G80 takes 5W-30 Full Synthetic motor oil with a capacity of 6.4 quarts. Brake fluid type is DOT 3, the recommended coolant is Phosphate-based Green/Blue, and transmission fluid is SP-IV-M (ATF). Always use the manufacturer-recommended fluids to maintain warranty coverage and engine longevity.
When mounting wheels on the Genesis G80, torque the lug nuts to 79-94 ft-lbs using a calibrated torque wrench. Over- or under-torquing can lead to warped brake rotors or loose wheels. Re-torque after 50 to 100 miles on newly installed wheels.
There are 6 NHTSA safety recalls on file for the 2018 Genesis G80. Check the Recalls tab below for full details.
Specifications on this page are compiled from multiple publicly available sources including manufacturer documentation, NHTSA data, and automotive databases. Always cross-reference with your owner's manual or official factory documentation before purchasing parts or performing any service.
The 2018 Genesis G80 uses 5W-30 Full Synthetic motor oil (6.4 qt capacity), requires lug nuts torqued to 79-94 ft-lbs, takes DOT 3 brake fluid.
Enter a diagnostic trouble code to see causes, symptoms, and fixes for the 2018 Genesis G80.
No known problems reported for this vehicle yet.
6 NHTSA safety recalls for the 2018 Genesis G80. Check your VIN at NHTSA.gov
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
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.
An oil leak in the presence of hot engine components can increase the risk of an engine compartment fire.
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.
ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID
Park OutsideHyundai 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.
An engine compartment fire while parked or driving can increase the risk of injury.
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).
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
Park OutsideHyundai 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.
An electrical short circuit inside the ABS module could cause an engine compartment fire while parked or driving.
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.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
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.
Oil leaking onto the exhaust manifold increases the risk of a fire.
Hyundai will notify owners, and dealers will replace the turbocharger oil supply pipe, free of charge. The recall began October 3, 2019. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 003G.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
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.
In the event of a crash, if the front passenger air bag deploys instead of being deactivated when a child or infant are in the front passenger seat, it can increase the risk of injury.
Hyundai will notify owners, and dealers will reprogram the OCS, free of charge. The recall began August 24, 2018. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 002G.
VISIBILITY:WINDSHIELD
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.
If the glass bonding strength is reduced over time, the windshield and rear window may detach while driving, increasing the risk of a crash.
Hyundai will notify owners, and dealers will replace the front and rear glass, free of charge. The recall began on July 6, 2018. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 001G.