2018 Genesis G90 Problems

High Complaint Volume

Real NHTSA owner complaints for the 2018 Genesis G90.

20172019
Complaints
21
Crashes
3
Fires
0
Injuries
0
Fatalities
—
Recalls
4

Worst 2018 Genesis G90 Problems

Top 3 most-reported issues with average mileage at failure.

#15 complaints

Electrical Faults

Avg mileage:14,000 mi
Crash-related:1
#24 complaints

Engine Problems

#32 complaints

Fuel System

Considering a 2018 Genesis G90?

Check the actual VIN — every car is different.

This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer rollbacks. Full report just $4.99 (vs. Carfax $44.99).

Check VIN Free

All Problems by Category

Every NHTSA complaint category for the 2018 Genesis G90.

Electrical Faults
5
complaints
Crashes
1
Fires
—
Avg Miles
14,000
Engine Problems
4
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Transmission / Drivetrain
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Airbags
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Forward Collision Avoidance: Automatic Emergency Braking
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Lane Departure: Assist
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Latches/Locks/Linkages:Trunk Lid:Latch:Emergency Mechanical Release
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Body Structure
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Tire Defects
1
complaints
Crashes
—
Fires
—
Avg Miles
—

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2018 Genesis G90. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2018 Genesis G90

4 NHTSA recall campaigns affecting ~127,442 vehicles.

24V191000Engine And Engine Cooling:engine:gasoline:turbo/supercharger
~28,439 affected

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.

24V107000Electrical System:starter Assembly:solenoid
~90,907 affected

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.

19V538000Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe · Engine And Engine Cooling:engine:gasoline:turbo/supercharger
~8,059 affected

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.

18V305000Side/Rear Glass · Visibility:windshield
~37 affected

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.

Other Genesis G90 Years

201720182019202020212022202320242025

2018 Genesis G90 — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2018 Genesis G90 reliable?
Verdict: High Complaint Volume. The 2018 Genesis G90 has 21 NHTSA complaints, 3 crash-related, and 4 recall campaigns. The most common issue is Electrical Faults with 5 complaints. Source: NHTSA via VinItel.
What are common problems with the 2018 Genesis G90?
Top reported problems: Electrical Faults (5 complaints, avg 14,000 mi); Engine Problems (4 complaints); Fuel System (2 complaints). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2018 Genesis G90?
The weighted average mileage at time of complaint is about 14,000 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2018 Genesis G90?
NHTSA complaints for the 2018 Genesis G90 include 3 crash-related reports, 0 fire reports, 0 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2018 Genesis G90 have any recalls?
Yes — 4 NHTSA recall campaigns affecting an estimated 127,442 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2018 Genesis G90?
This year has a higher-than-normal complaint volume. It's not an automatic no, but focus inspection on the top reported issue (electrical faults) and verify open recalls have been addressed.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Genesis G90 reliability report with year-by-year comparison and generation analysis.

Check Your Specific 2018 Genesis G90

Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.

Check Any VIN — $4.99