Problems owners report
Complaints filed with NHTSA about the 2021 Genesis G90, by the system named in each complaint. One complaint can name several.
- Forward collision avoidance2
- Unknown or other2
- Engine1
- Steering1
- Fuel/propulsion system1
- Electrical system1
- Tires1
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 2021 Genesis G90 failed the safety check 0.86% of the time — 9% less often than the average 2021 passenger car (0.95%). Median odometer at inspection: 18,678 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 |
|---|---|---|
| 2021 Genesis G90 4 DR AWD | — | 0.0 % |
| 2021 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 1 variant: combined 12.8 L/100 km (about 18 mpg US), CO₂ 303 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| G90 AWD · Full-size · Premium gasoline | 15.0 | 10.1 | 12.8 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · 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.
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 2021 Genesis G90: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 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. |
| 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. |
| 10253048 | This TSB provides a procedure to diagnose and repair a transmission for the following Incorrect Ratio DTC (transmission clutch slipping more than 200 rpm in gear). |
| 10253043 | This bulletin provides a procedure to diagnose an 8-speed automatic transaxle with a harsh and/or delayed shift. |
| 10253042 | This bulletin provides a procedure to transfer oil pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the TCU learning time and improve the shift quality. Before replacing an automatic transmission: Input the data into the TCU using the GDS. Before replacing a TCU: Back up the oil pressure data from the old TCU into the GDS and then transfer the data to the new TCM. |
| 10253038 | This bulletin provides a procedure to transfer oil pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the TCU learning time and improve the shift quality. Before replacing an automatic transmission (Pages 2~3): Input the data from the new transmission into the TCU using the GDS. Before replacing a TCU (Pages 4~6): Back up the oil pressure data from the old TCU into the GDS and then transfer the data to the new TCM. |
| 10253034 | Some vehicles may experience seat noise and/or possible wobble movement from the seat bottom when the vehicle is turning. This bulletin describes the procedure to install an e-ring clip to the tilt pipe housing on the front seat. |
| 10253031 | Certain vehicles (listed below) equipped with the HomeLink5 (Two Way Communication) mirror may experience programming and operating difficulties with the home garage system. This bulletin provides information related to some of the possible symptoms. |
| 10253026 | 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. |
| 10253025 | This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear). |
| 10253024 | 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. |
| 10238384 | When servicing an 8-speed automatic transmission vehicle with a Check Engine light and any of the DTCs listed below, follow the Service Procedure and, if necessary, replace the E-module. |
| 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. |
| 10233543 | 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. |
| 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. |
NHTSA manufacturer communications (public domain)