Problems owners report
Complaints filed with NHTSA about the 2018 Genesis G80, by the system named in each complaint. One complaint can name several.
- Electrical system22
- Unknown or other17
- Steering16
- Engine11
- Wheels9
- Air bags9
- Power train5
- Service brakes5
- Structure4
- Tires4
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 5 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 10 2018 G80 vehicles were involved in crashes on US public roads in which someone died; 3 people died inside them, and 1 of the vehicles rolled over. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
New York safety inspections
At its first New York inspection the 2018 Genesis G80 failed the safety check 1.16% of the time — 30% less often than the average 2018 passenger car (1.65%). Median odometer at inspection: 45,426 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; 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 |
|---|---|---|
| 2018 Genesis G80 4 DR AWD | ★★★★★ | 9.5 % |
| 2018 Genesis G80 4 DR RWD | ★★★★★ | 9.5 % |
- 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 3 variants: combined 11.7–13.2 L/100 km (about 18–20 mpg US), CO₂ 276–312 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| G80 AWD · Full-size · Regular gasoline | 13.4 | 9.6 | 11.7 |
| G80 AWD · Full-size · Premium gasoline | 13.8 | 9.7 | 11.9 |
| G80 AWD · Full-size · Premium gasoline | 15.6 | 10.4 | 13.2 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
4 Transport Canada recalls for the 2018 Genesis G80.
| 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… |
| 2021133 10 Mar 2021 | Brakes Issue: On certain vehicles, a problem in the control module for the antilock brake system (ABS) could cause it to 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 (Genesis) is recalling certain 2015-2016 Hyundai Genesis, and 2017-2020 Genesis G80 vehicles. The front power seat motors may overheat due to a stuck power seat control switch, which can result in a fire while parked or driving.
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 2015-2016 Genesis and 2017-2020 Genesis G80 vehicles. The Anti-Lock Brake System (ABS) module could malfunction and short circuit.
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 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.
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 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. |
| 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. |
| 10253044 | This bulletin provides the procedure to repair the panoramic sunroof creaking noise originating from the panoramic moving glass assembly. Applicable |
| 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. |
| 10238378 | Certain 2017-2020MY G80 vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an auxiliary canister assembly between the canister and Canister Close Valve (CCV). |
| 10238375 | Certain 17-18MY Genesis G80 (DH) vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, an auxiliary canister assembly between the canister and Canister Close Valve (CCV) will be installed. |
| 10235568 | Certain 2017-2020MY G80 vehicles may exceed evaporative emissions standards due to Onboarding Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an auxiliary canister assembly between the canister and Canister Close Valve (CCV). |
| 10235567 | Certain 2017-2020MY G80 vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an auxiliary canister assembly between the canister and Canister Close Valve (CCV). |
| 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. |
| 10206362 | When asked to provide the Modem Information, the Universal Subscriber Identity Module (USIM) information is not available. This bulletin describes the 3-part Software to correct this condition and activate Genesis Connected Services (GCS). |
| 10206361 | When asked to provide the Modem Information, the Universal Subscriber Identity Module (USIM) information is not available. This bulletin describes the 3-part Software to correct this condition and activate Genesis Connected Services (GCS). |
| 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. |
| 10202186 | This bulletin describes the procedure to variant code the Genesis Sedan (DH) navigation system. A black/blank screen or black and white image may be displayed from the rear view camera after the navigation unit is replaced without performing this variant coding procedure. |
| 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. |
| 10200079 | This TSB provides consolidated diagnosis and repair information, currently in the shop manual, to address DTC U0109 / U010900 related to a communication error with the Fuel Pump Control Module (FPCM). |
| 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. |
| 10190042 | This bulletin provides best practice recommendations when performing brake service procedures. |
| 10190040 | This TSB describes the procedure to update the TCU to revise the diagnosis logic for OBD communication test. |
| 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. |
NHTSA manufacturer communications (public domain)
NHTSA investigations
Hyundai and Kia ABS Module Fires
NHTSA Office of Defects Investigation