2018 Genesis G90: Recalls, Problems & MPG
Here are the deets on the 2018 Genesis G90: 4 recalls, 16 owner complaints and up to 20 mpg combined.
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Recalls
4 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.
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.
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, 0 injuries and 0 deaths were reported.
What owners describe
- Electrical (5): the most common themes are electrical failure (3).
- Engine (4): no single recurring theme in the descriptions.
- Fuel & propulsion (2): no single recurring theme in the descriptions.
- Transmission & drivetrain (2): no single recurring theme in the descriptions.
The 2018 Genesis G90 has 16 owner complaints, ranking #2 of 10 G90 model years for complaints (2.3× the average G90 year). Complaints peaked in 2018 (3 filed that year). The typical problem showed up when the car was about 2 years old, at a median of 6,348 miles. Neighboring years: 2017 (25 complaints, 3 recalls), 2019 (6 complaints, 2 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 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 | 24 | 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 G90.
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.
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FAQ
Does the 2018 Genesis G90 have any recalls?
Yes. NHTSA lists 4 vehicle recalls for the 2018 Genesis G90. 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 G90 problems?
Owners have filed 16 complaints with NHTSA. The most-reported areas are electrical (5), engine (4), fuel & propulsion (2).
What gas mileage does the 2018 Genesis G90 get?
EPA ratings run up to 20 mpg combined (3.3 L, Automatic (S8)), across 4 engine and transmission combos.
Where can I get a 2018 Genesis G90 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.