Problems owners report
Complaints filed with NHTSA about the 2018 Genesis G90, by the system named in each complaint. One complaint can name several.
- Electrical system5
- Engine4
- Fuel/propulsion system2
- Unknown or other2
- Power train2
- Latches/locks/linkages1
- Forward collision avoidance1
- Tires1
- Structure1
- Lane departure1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
New York safety inspections
At its first New York inspection the 2018 Genesis G90 failed the safety check 2.05% of the time — 25% more often than the average 2018 passenger car (1.65%). Median odometer at inspection: 43,801 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Crash-test ratings
NHTSA 5-star results for 2 variants; not yet fully rated. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2018 Genesis G90 4 DR AWD | — | 0.0 % |
| 2018 Genesis G90 4 DR RWD | — | 0.0 % |
- Electronic stability control
- Standard
- Forward collision warning
- Standard
- Lane departure warning
- Standard
- Best overall rating
- —
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Fuel consumption
Official Canadian test results for 2 variants: combined 11.9–13.0 L/100 km (about 18–20 mpg US), CO₂ 279–306 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| G90 AWD · Full-size · Premium gasoline | 13.7 | 9.7 | 11.9 |
| G90 AWD · Full-size · Premium gasoline | 15.2 | 10.2 | 13.0 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
3 Transport Canada recalls for the 2018 Genesis G90.
| 2024158 8 Mar 2024 | Engine Issue: Under certain conditions, the left turbocharger oil feed pipe and hose assembly could become damaged. If this happens, oil could leak onto hot componen… |
| 2024089 13 Feb 2024 | Electrical Issue: Under certain conditions, water could leak into the starter solenoid. If this happens, the solenoid could short circuit. Safety Risk: A short ci… |
| 2019350 17 Jul 2019 | Engine This recall was replaced by Transport Canada Recall No. 2024-158. Issue: On certain vehicles with a 3.3 litre turbocharged engine, the connections for the… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
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 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 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.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Genesis told its dealers about the 2018 Genesis G90: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11008141 | On certain 17-19MY G90 (HI) vehicles, the DIS2.0 head units may experience any of the following symptom(s): (1) Battery Drain, (2) Genesis Connected Services (GCS) Activation Issues, (3) Genesis Connected Services Remote Service Failures, (4) Genesis Connected Services Point of Interest Failures. Follow the instructions in this TSB to update the AVN. |
| 11006825 | This bulletin provides information to inspect and replace the front or rear wheel bearing hub assemblies for all Genesis vehicles. This procedure is applicable when noise (whirring, roaring, grinding, rumbling, etc.) is present which gets louder when driving with more speed. |
| 10253275 | This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2. |
| 10253049 | Genesis applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can become clouded under the PPF. These spots are the result of moisture trapped between the PPF and the paint. |
| 10253030 | Some vehicles may experience seat noise from seat bottom when vehicle is turning. This bulletin describes the procedure to install an e-ring clip to the tilt pipe housing on the front seat. |
| 10253027 | If you are servicing a vehicle with a transmission slipping concern, follow the Service Procedure shown below and perform a stall test. This TSB provides a procedure to test each clutch in the transmission. If the vehicle fails the stall test, replace the transmission. PASS: Stall speed is between 1700~2900 rpm (See shop manual for stall speed). FAIL: Engine revs to redline limit (6,000~6,500 rpm). If so, replace the transmission. |
| 10241802 | On certain 17-19MY G90 (HI) vehicles, the DIS2.0 head units may experience any of the following symptom(s): (1) Battery Drain, (2) Genesis Connected Services (GCS) Activation Issues, (3) Genesis Connected Services Remote Service Failures, (4) Genesis Connected Services Point of Interest Failures. Follow the instructions in this TSB to update the AVN. |
| 10235566 | Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can become clouded under the PPF. These spots are the result of moisture trapped between the PPF and the paint. |
| 10230903 | This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. |
| 10203273 | Certain G80 and G90 Genesis vehicles may experience DTC code P0597 for Thermostat Heater Control Circuit/Open. This bulletin provides information on replacing the electric thermostat. No drivability issues are associated with this condition. |
| 10202185 | When servicing a vehicle with a Check Engine light and any of the DTCs listed below, follow the Service Procedure to replace the related solenoid and E-module or park position switch. |
| 10191796 | Certain G80 and G90 Genesis vehicles may experience DTC code P0597 for Thermostat Heater Control Circuit/Open. This bulletin provides information on replacing the electric thermostat. No drivability issues are associated with this condition. |
| 10190044 | This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps. |
| 10189989 | This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below. |
| 10183961 | This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the Tire Balance Data Sheet must be fully completed including imbalance and Road Force Variation (RFV) data. The Data Sheet can be found at the end of this bulletin. |
| 10183960 | This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the Tire Balance Data Sheet must be fully completed including imbalance and Road Force Variation (RFV) data. The Data Sheet can be found at the end of this bulletin. |
| 10183956 | Certain G80 and G90 Genesis vehicles may experience DTC code P0597 for Thermostat Heater Control Circuit/Open. This bulletin provides information on replacing the electric thermostat. No drivability issues are associated with this condition. |
| 10180988 | This bulletin provides information on wheel cleaning procedure and cleaning agent recommendations. |
| 10178175 | This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. The TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes, or during normal driving operation. |
| 10178173 | This bulletin provides information for replacing the rear brake pads on certain Genesis G90 (HI) vehicles that are exhibiting a noise from the rear brakes. |
| 10176182 | This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and performance. |
| 10176181 | The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions: |
| 10176178 | This bulletin describes the general guidelines to help disinfect and protect vehicle exterior/interior surfaces using recommended safe chemical products. |
| 10174807 | The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions: |
| 10174801 | Certain Genesis G80 and G90 vehicles may experience the Shift By Wire (SBW) system slipping into Neutral when shifting from Reverse to Drive or Drive to Reverse. Replace the electronic shifter with a new shifter that has a production date of 6/2/17 or newer to resolve this condition. |
NHTSA manufacturer communications (public domain)