Problems owners report
Complaints filed with NHTSA about the 2021 Genesis G80, by the system named in each complaint. One complaint can name several.
- Service brakes3
- Tires3
- Electrical system2
- Vehicle speed control1
- Engine1
- Unknown or other1
- Power train1
- Structure1
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 G80 failed the safety check 0.94% of the time — 0% less often than the average 2021 passenger car (0.95%). Median odometer at inspection: 18,214 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
In the United Kingdom
27 cars built in 2021 were licensed for the road at the end of 2025.
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
In New Zealand
1 2021 cars are on the New Zealand register.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Crash-test ratings
NHTSA 5-star results for 2 variants; 2 of 2 rated variants score five stars overall. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2021 Genesis G80 4 DR AWD | ★★★★★ | 10.1 % |
| 2021 Genesis G80 4 DR RWD | ★★★★★ | 10.1 % |
- Electronic stability control
- Standard
- Forward collision warning
- Standard
- Lane departure warning
- Standard
- Best overall rating
- 5 / 5
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 9.5–11.2 L/100 km (about 21–25 mpg US), CO₂ 225–262 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| G80 AWD · Full-size · Premium gasoline | 10.8 | 7.9 | 9.5 |
| G80 AWD · Full-size · Premium gasoline | 12.9 | 9.0 | 11.2 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
2 Transport Canada recalls for the 2021 Genesis G80.
| 2026185 9 Apr 2026 | Fuel System Issue: On certain vehicles, the nuts for the crossover fuel pipe may not have been properly tightened. As a result, fuel could leak. Safety Risk: A fuel… |
| 2023074 17 Feb 2023 | Seats And Restraints Issue: On certain vehicles, there may be a problem with the front seat belt pretensioners. As a result, the driver and/or passenger seat belt pretensioners co… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
Hyundai Motor America (Genesis) is recalling certain Genesis 2022-2026 GV70, 2023-2025 G90, 2021-2025 G80, and GV80 vehicles. Fuel may leak at the pipe connection between the fuel pipe and fuel rail.
Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Genesis G80, GV80, and 2022 Genesis GV70 vehicles. The fuel pump may fail, which can result in a loss of drive power.
Hyundai Motor America (Hyundai) is recalling certain 2020-2023 Genesis GV80, 2021-2023 Genesis G80, 2022-2023 Genesis GV70, and 2023 Genesis GV60 vehicles. In the event of a crash, the front driver-side and/or passenger-side seat belt pretensioners may explode upon deployment.
Hyundai Motor America (Hyundai) is recalling certain 2021 Genesis G80 and GV80 vehicles equipped with 2.5-litre turbo engines. The fuel tube connecting the high pressure fuel pump to the fuel rail may not seal properly, which could allow fuel to leak.
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 G80: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11009768 | Certain GV70 (JK1, JK1A), GV80 (JX1) and G80 (RG3) vehicles may have a hum or whine noise condition from the rear differential at certain speeds. This bulletin describes the procedure to inspect the vehicle for the hum or whine noise and if necessary to tighten the rear differential lock nut first. If the hum or whine noise remains, then replace the rear differential or other driveline components as necessary. |
| 11009411 | Certain Genesis vehicles (listed below) equipped with Lambda-III 3.5T-GDI engines may exhibit reduced heater performance due to engine coolant deposits clogging the heater core. This bulletin provides instructions to verify the concern and to replace the front and rear heater core (if applicable). |
| 11008005 | This message provides instructions for vehicles experiencing an incomplete Over-The-Air (OTA) AVN software update. |
| 11007468 | Genesis has become aware that some vehicles may experience an incomplete Over-The-Air (OTA) AVN software update. |
| 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. |
| 11002757 | Certain G80 (RG3), GV70 (JK1), GV70 Electrified (JK1A EV), and GV80 (JX1) vehicles equipped with the AVN 6th Gen system may experience an incomplete OTA update. Follow the procedures in this bulletin to check whether the OTA update completed and, if not, update the AVN 6th Gen system using the applicable supplied USB drive(s). |
| 11000781 | Certain GV70 (JK1 and JK1A), GV80 (JX1) and G80 (RG3) vehicles may have a hum or whine noise condition from the rear differential at certain speeds. This bulletin describes the procedure to inspect the vehicle for the hum or whine noise and if necessary to tighten the rear differential lock nut first. If the hum or whine noise remains, then replace the rear differential or other driveline components as necessary. |
| 10253054 | This bulletin provides information related to the ECM(Engine Control Module) software update for 3.5L GDI engine equipped vehicles that experience check engine light, no drivability issue, and with either of the following DTC found stored in the ECM: P2096 - Post Catalyst Fuel Trim - System Too Lean (Bank 1). P2098 - Post Catalyst Fuel Trim - System Too Lean (Bank 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. |
| 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. |
| 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. |
| 10253021 | This bulletin describes the procedure to replace the AMP ground side coil and coil and capacitor for certain vehicles exhibiting brown foam discoloration of the sponge pad in the rear glass antenna. |
| 10253019 | Certain 2021MY Genesis G80 (RG3) vehicles may have coolant leakage from the radiator reservoir tank. Follow the procedure outlined in this bulletin to inspect the radiator reservoir tank, and if necessary, replace it with a new part. |
| 10253018 | This bulletin provides the procedure to inspect, and if necessary adjust the headlight aim on some 2021 MY Genesis G80 (RG3) vehicles equipped with Light Emitting Diode (LED) headlamps. The adjustment can help improve headlamp focus and reduce glare from the headlights to oncoming traffic. |
| 10253017 | This bulletin provides the procedure to inspect, and if necessary adjust the headlight aim on some 2021 MY Genesis G80 (RG3) vehicles equipped with Light Emitting Diode (LED) headlamps. The adjustment can help improve headlamp focus and reduce glare from the headlights to oncoming traffic. |
| 10253016 | This bulletin provides the procedure to inspect, and if necessary adjust the headlight aim on some 2021 MY Genesis G80 (RG3) vehicles equipped with Light Emitting Diode (LED) headlamps. The adjustment can help improve headlamp focus and reduce glare from the headlights to oncoming traffic. |
| 10249695 | Certain GV70 (JK1 and JK1A), GV80 (JX1) and G80 (RG3) vehicles may have a noise condition from the rear differential at certain speeds while accelerating or decelerating. This bulletin describes the procedure to inspect the vehicle for noise and if necessary to tighten the lock nut or if necessary replace the differential. |
| 10247603 | This bulletin is issued to provide the extended battery diagnosis procedure using GDS. This battery diagnosis function displays the various battery-related faults such as: Internal short circuit Battery deterioration Malfunction of electronic parts Insufficient battery charge Normal battery Charging defect Battery diagnosis uses the battery sensor history saved for the last 30 days and ICU diagnostic communication to track battery state of charge (SOC) and current parasitic draw history. |
| 10244957 | Certain GV70 (JK1 and JK1A), GV80 (JX1) and G80 (RG3) vehicles may have a noise condition from the rear differential at certain speeds while accelerating or decelerating. This bulletin describes the procedure to inspect the vehicle for noise and if necessary to tighten the lock nut or if necessary replace the differential. |
NHTSA manufacturer communications (public domain)