2018 Genesis G90
The Verdict
Worst problem area
Electrical
Electrical leads by volume: 5 of 16 complaints (31%) mention it.
Complaints filed fell from 24 in 2017 to 16 in 2018.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2017 | 2018 | 2019 | 2020 | vs. 2018 Large Cars |
|---|---|---|---|---|---|
| Annual fuel cost ($) | 3,900–4,300 | 3,900–4,300 | 3,900–4,300 | 3,900–4,300 | |
| Combined MPG | 18–20 | 18–20 | 18–20 | 18–20 | |
| City / Highway MPG | 15–17 / 23–24 | 15–17 / 23–24 | 15–17 / 23–24 | 15–17 / 23–25 | |
| CO₂ tailpipe (g/mi) | 448–493 | 448–493 | 448–493 | 446–500 | |
| Complaints filed | 24 | 16 | 6 | 2 | |
| Recalls issued | 3 | 4 | 2 | 1 | |
| Crash-involved complaints | 3 | 1 | 0 | 1 | |
| Fire-involved complaints | 0 | 0 | 0 | 0 | |
| Injuries reported | 2 | 0 | 0 | 0 | |
| Deaths reported | 0 | 0 | 0 | 0 | |
| Configurations compared | 4 | 4 | 4 | 4 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2018 Genesis G90 have?
4 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2018 Genesis G90?
Electrical: 5 of 16 NHTSA complaints (31%) mention it.
What gas mileage does the 2018 Genesis G90 get?
EPA rates it 18–20 MPG combined across 4 configurations.
How much does it cost to fuel a 2018 Genesis G90?
EPA estimates $3,900–$4,300 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (4)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (S8) | 6 | 3.3L | All-Wheel Drive | Premium | Large Cars | 17 mpg (high) | 24 mpg (high) | 20 mpg (high) | $3,900 (low) | 448 g/mi (low) |
| Configuration 2 | Automatic (S8) | 6 | 3.3L | Rear-Wheel Drive | Premium | Large Cars | 17 mpg (high) | 24 mpg (high) | 20 mpg (high) | $3,900 (low) | 454 g/mi |
| Configuration 3 | Automatic (S8) | 8 | 5.0L | All-Wheel Drive | Premium | Large Cars | 15 mpg (low) | 23 mpg (low) | 18 mpg (low) | $4,300 (high) | 493 g/mi (high) |
| Configuration 4 | Automatic (S8) | 8 | 5.0L | Rear-Wheel Drive | Premium | Large Cars | 16 mpg | 24 mpg (high) | 19 mpg | $4,100 | 482 g/mi |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 4 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 2 | 0 | 0 | 0 | 0 |
| Fuel System | 2 | 0 | 0 | 0 | 0 |
| Electrical | 5 | 1 | 0 | 0 | 0 |
| Brakes | 0 | 0 | 0 | 0 | 0 |
| Steering | 0 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 1 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 1 | 0 | 0 | 0 | 0 |
| Driver Assistance & Speed Control | 1 | 1 | 0 | 0 | 0 |
| Body, Seats & Latches | 2 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 0 | 0 | 0 | 0 | 0 |
| Other | 2 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (4)
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER · Campaign 24V191000 · Mar 11, 2024
Defect: 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.
Consequence: An oil leak in the presence of hot engine components can increase the risk of an engine compartment fire.
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.
ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID · Campaign 24V107000 · Feb 14, 2024
Defect: 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.
Consequence: An engine compartment fire while parked or driving can increase the risk of injury.
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).
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE · Campaign 19V538000 · Jul 19, 2019
Defect: 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.
Consequence: Oil leaking onto the exhaust manifold increases the risk of a fire.
Remedy: 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.
VISIBILITY:WINDSHIELD; VISIBILITY:GLASS, SIDE/REAR · Campaign 18V305000 · May 14, 2018
Defect: 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.
Consequence: If the glass bonding strength is reduced over time, the windshield and rear window may detach while driving, increasing the risk of a crash.
Remedy: 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.