2018 Genesis G90 Problems, Complaints & Recalls

Source: NHTSA · Updated May 27, 2025 · 16 owner complaints analyzed

Compared with other G90 years
Far more complaints than other years 2nd of 10 for complaints
NHTSA crash rating
Not rated

Owners have filed 16 complaints with NHTSA about the 2018 Genesis G90. That ranks 2nd out of 10 G90 model years for complaints. The most reported problem area is electrical system (5 complaints, 31%), typically at around 14,000 miles. Complaints mention 1 crash. There are 4 safety recalls covering this model year.

Genesis G90
Genesis G90 (RS4) at Auto Zürich 2024. Representative photo; appearance varies by model year. Photo: Alexander-93, CC BY-SA 4.0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

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Most common 2018 Genesis G90 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Electrical System5 · ~14,000 mi
Engine4 · ~6,348 mi
Fuel/propulsion System2 · ~1,250 mi
Power Train2 · ~2,850 mi
Unknown or Other2 · ~10,000 mi
Air Bags1 · ~19,000 mi
Forward Collision Avoidance1
Lane Departure1
Latches/locks/linkages1
Structure1 · ~6,210 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Electrical System531%14,000——
Engine425%6,348——
Fuel/propulsion System213%1,250——
Power Train213%2,850——
Unknown or Other213%10,000——
Air Bags16%19,000——
Forward Collision Avoidance16%———
Lane Departure16%———
Latches/locks/linkages16%———
Structure16%6,210——
Tires16%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2018, with 3 complaints
2018: 3201832019: 3201932020: 2202022021: 2202122022: 1202212023: 1202312024: 3202432025: 120251

n = 16 complaints · Source: NHTSA

2018 Genesis G90 recalls (4)

Tap a recall to see the problem, the risk and the fix.

Engine and engine cooling:engine:gasoline:turbo/superchargerMar 8, 2024 · NHTSA campaign 24V191000 · 28,439 vehicles

Problem: 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.

Risk: An oil leak in the presence of hot engine components can increase the risk of an engine compartment fire.

Fix: Dealers will replace the left turbocharger oil feed pipe, free of charge. Owner notification letters were mailed May 3, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 019G. This recall expands and replaces recall number 19V-538. Vehicles previously repaired under 19V-538 will need to have the new remedy completed.

Electrical system:starter assembly:solenoidPark outsideFeb 13, 2024 · NHTSA campaign 24V107000 · 90,907 vehicles

Problem: 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.

Risk: An engine compartment fire while parked or driving can increase the risk of injury.

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. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 254(H) and 018G(G).

Engine and engine cooling:exhaust system:manifold/header/muffler/tail pipe; engine and engine cooling:engine:gasoline:turbo/superchargerJul 19, 2019 · NHTSA campaign 19V538000 · 8,059 vehicles

Problem: 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.

Risk: Oil leaking onto the exhaust manifold increases the risk of a fire.

Fix: Hyundai will notify owners, and dealers will replace the turbocharger oil supply pipe, free of charge. The recall began October 3, 2019. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 003G.

Visibility:glass, side/rear; visibility:windshieldMay 10, 2018 · NHTSA campaign 18V305000 · 37 vehicles

Problem: 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.

Risk: If the glass bonding strength is reduced over time, the windshield and rear window may detach while driving, increasing the risk of a crash.

Fix: Hyundai will notify owners, and dealers will replace the front and rear glass, free of charge. The recall began on July 6, 2018. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 001G.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

ProContact GX-SSR CONT M 2754019 SL101H SL BSW

Tires · received May 27, 2025 · NHTSA complaint 11663245

vehicle went dead. replaced the battery. Started after replacement but went dead a few days later. Towed to dublin CA genesis. Diagnosed as water corrosion to wiring harness. vehicle has less than 22000 miles, other than car washes and normal winter driving in CA. Genesis does have a recall for…

Electrical System · received Jul 22, 2024 · NHTSA complaint 11603743

The contact owns a 2018 Genesis G90. The contact received notification of NHTSA Campaign Number: 24V107000 (Electrical System); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair…

Electrical System · received Jul 2, 2024 · NHTSA complaint 11598256

The contact owns a 2018 Genesis G90. The contact received notification of NHTSA Campaign Number: 24V107000 (Electrical System) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount…

Electrical System · received May 13, 2024 · NHTSA complaint 11588425

The internal trunk release latch will not open the trunk. A person inside the trunk compartment may become trapped, increasing their risk of injury. - The trunk latch failed. It is available for inspection, upon request. - A person inside the trunk compartment may become trapped, increasing their…

Latches/locks/linkages · received Jan 4, 2023 · NHTSA complaint 11500071

Other Genesis G90 years

← 2017 G90 · 2019 G90 →

See all Genesis G90 problems by year, every Genesis model, or the Genesis VIN decoder.

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Frequently asked questions

What are the most common problems with the 2018 Genesis G90?

Owners most often report electrical system, engine, fuel/propulsion system problems. The top one, electrical system, accounts for 5 complaints.

Was there a recall on the 2018 Genesis G90?

Yes, 4 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2018 Genesis G90 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other G90 model years, the 2018 has far more complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.