2018 Genesis G80: Recalls, Problems & MPG
Here are the deets on the 2018 Genesis G80: 6 recalls, 95 owner complaints and up to 22 mpg combined.
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Recalls
6 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Visibility (wipers, glass), Visibility (wipers, glass) Vehicle recall #18V305000 · 2018 · 37 vehicles
What's wrong: The windshield and rear window on these vehicles May have been installed with incorrect primer, potentially reducing the glass bonding strength.
Why it matters: If the glass bonding strength is reduced over time, the windshield and rear window May detach while driving, increasing the risk of a crash.
The fix: Hyundai will notify owners, and dealers will replace the front and rear glass, free of charge. The recall began on July 6, 2018.
Airbags Vehicle recall #18V496000 · 2018 · 3,305 vehicles
What's wrong: 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.
Why it matters: In the event of a crash, if the front passenger air bag deploys instead of being deactivated when a child or infant are in the front passenger seat, it can increase the risk of injury.
The fix: Hyundai will notify owners, and dealers will reprogram the ocs, free of charge. The recall began August 24, 2018.
Engine & cooling, Engine & cooling Vehicle recall #19V538000 · 2019 · 8,059 vehicles
What's wrong: 3 liter turbocharged engines. The turbocharger oil supply pipe May have a loose seal, causing oil to leak onto the exhaust manifold.
Why it matters: Oil leaking onto the exhaust manifold increases the risk of a fire.
The fix: Hyundai will notify owners, and dealers will replace the turbocharger oil supply pipe, free of charge. The recall began October 3, 2019.
Brakes (hydraulic) Vehicle recall #21V160000 · 2021 · 94,646 vehicles
What's wrong: The anti-lock brake system (ABS) module could malfunction and short circuit.
Why it matters: An electrical short circuit inside the ABS module could cause an engine compartment fire while parked or driving.
The fix: Owners are advised to park outside and away from structures until the remedy is complete. Hyundai will notify owners, and dealers will replace the ABS module fuse, free of charge. Owner notification letters were mailed July 6, 2021. Owners can contact Hyundai customer service at 1-855-371-9460.…
Electrical Vehicle recall #24V107000 · 2024 · 90,907 vehicles
What's wrong: Water May enter the starter solenoid and cause an electrical short, which can result in an engine compartment fire while parked or driving.
Why it matters: An engine compartment fire while parked or driving can increase the risk of injury.
The fix: 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.
Engine & cooling Vehicle recall #24V191000 · 2024 · 28,439 vehicles
What's wrong: 3-liter v6 turbocharged engine. The left turbocharger oil feed pipe May deteriorate and leak oil.
Why it matters: An oil leak in the presence of hot engine components can increase the risk of an engine compartment fire.
The fix: Dealers will replace the left turbocharger oil feed pipe, free of charge. Owner notification letters were mailed May 3, 2024.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 5 injuries and 0 deaths were reported.
What owners describe
- Electrical (22): the most common themes are electrical failure (11), warning light on (3), fire / smoke (2).
- Other / unknown (17): the most common themes are noise or vibration (2).
- Steering (15): the most common themes are steering problems (13), noise or vibration (2).
- Engine (11): the most common themes are fire / smoke (5), leaks (3), noise or vibration (2).
The 2018 Genesis G80 has 95 owner complaints, ranking #1 of 11 G80 model years for complaints (4.4× the average G80 year). Complaints peaked in 2024 (23 filed that year). The typical problem showed up when the car was about 5 years old, at a median of 15,000 miles. Neighboring years: 2017 (66 complaints, 2 recalls), 2019 (27 complaints, 3 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.8 L 6-cyl | Automatic (S8) | Rear-Wheel Drive | 19 | 27 | 22 | Regular |
| 3.8 L 6-cyl | Automatic (S8) | All-Wheel Drive | 18 | 25 | 20 | Regular |
| 3.3 L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 17 | 24 | 20 | Premium |
| 3.3 L 6-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 17 | 25 | 20 | Premium |
| 5.0 L 8-cyl | Automatic (S8) | Rear-Wheel Drive | 16 | 24 | 19 | Premium |
| 5.0 L 8-cyl | Automatic (S8) | All-Wheel Drive | 15 | 23 | 18 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2018 Genesis G80.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 2018 Genesis G80 have any recalls?
Yes. NHTSA lists 6 vehicle recalls for the 2018 Genesis G80. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2018 Genesis G80 problems?
Owners have filed 95 complaints with NHTSA. The most-reported areas are electrical (22), other / unknown (17), steering (15).
What gas mileage does the 2018 Genesis G80 get?
EPA ratings run up to 22 mpg combined (3.8 L, Automatic (S8)), across 6 engine and transmission combos.
Where can I get a 2018 Genesis G80 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.