2018 Genesis G90 Report
Known issues, recalls, running costs, and what to check before you buy.
Overall Score
Key Takeaways
- The 2018 Genesis G90's reliability is rated as Average, with notable concerns in its electrical and engine systems.
- A critical recall and complaint area involves potential turbocharger oil feed pipe leaks, which could lead to engine damage if not properly addressed.
- Owners have reported issues with the electrical system, including intermittent power loss and battery failures.
- The engine and powertrain are also cited in complaints, suggesting potential drivability issues.
2018 Genesis G90
The 2018 Genesis G90 offers a compelling luxury sedan experience, aiming to rival established German brands. Under the hood, a robust 5.0-liter V8 engine paired with an 8-speed automatic transmission and all-wheel drive provides ample power. However, used buyers should be aware of its 'Average' reliability rating, stemming from significant recalls and recurring complaints, particularly concerning the electrical system and engine. With 6 recalls and 21 complaints logged by NHTSA, diligent inspection is essential.
Critical Failure Risk
Complaints detail intermittent power loss, dead batteries, and complete system failures. These can be caused by faulty modules, wiring issues, or battery drain.
Early detection can help you avoid a $400-$2,000 repair.
Safety & Bulletins
Owner Complaints
Performance & Efficiency
Reliability
Practicality
The score is mainly limited by high fuel consumption.
Who This Car Is For
Best for
Buyers prioritizing a comfortable and well-equipped luxury sedan over top-tier reliability.
+2 more buyer-fit notes in the full report
Avoid if
Buyers seeking a bulletproof, low-maintenance vehicle.
+2 more buyer-fit warnings in the full report
2018 Genesis G90 Reliability Analysis
Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2018 Genesis G90.
Vehicle Specs
- Fuel Type
- Premium
- Transmission
- Automatic (S8)
- Drivetrain
- All-Wheel Drive
- Body Style
- Sedan
- EPA Combined MPG
- 18
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Most Common Issues
1. Electrical System
Most reportedUsage: 5 reports
2. ENGINE
Usage: 4 reports
First Service Interval
- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake Inspection - Fluid Level Checks (coolant, brake, power steering)
Est. shop cost: $150 - $250
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FAQ
Is the 2018 Genesis G90 reliable?
The CarFocal Reliability Score for the 2018 Genesis G90 is 7.7/10. Reliability score is 7.7/10. NHTSA recalls: 6. Owner complaints: 21.
How practical is the 2018 Genesis G90 for daily use?
Practicality score is 3.4/10. The score is mainly limited by high fuel consumption. EPA combined economy is 18 MPG. 4 passenger doors are listed.
What is the overall score for the 2018 Genesis G90?
The CarFocal Overall Score for the 2018 Genesis G90 is 5.8/10. Overall score is 5.8/10 (Mixed). Confidence 55%. Maintenance 7.9/10. Practicality 3.4/10.
What does it cost to own and maintain a 2018 Genesis G90?
Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake Inspection - Fluid Level Checks (coolant, brake, power steering) at 7,500 miles. Estimated first-year maintenance: $400 - $700. Repair prediction highlight: Electrical System Module/Wiring (typical at 60,000 miles, estimated cost Min: $500 • Max: $1,500).
What engine is in the 2018 Genesis G90?
Engine specs list 8 • 5.0.
What transmission does the 2018 Genesis G90 use?
According to CarFocal's specs for the 2018 Genesis G90, transmission is Automatic (S8). The paired drivetrain is All-Wheel Drive.
Does the 2018 G90 require Premium gas?
Manufacturer fuel recommendation: Premium.
What is the combined EPA MPG for the 2018 Genesis G90?
EPA combined estimate is 18 MPG.
What driver assistance and safety features are available on the 2018 Genesis G90?
1 standard driver assistance features. Key features include Tire Pressure Monitoring System.
What body style is the 2018 Genesis G90?
According to CarFocal's specs for the 2018 Genesis G90, body style is sedan.
What drivetrain does the 2018 Genesis G90 use?
According to CarFocal's specs for the 2018 Genesis G90, drivetrain is All-Wheel Drive. Transmission is Automatic (S8).
What are the most common electrical system problems on the 2018 Genesis G90?
Top complaint category: electrical system (5 reports, 23.8% of complaints).
Are there open safety recalls on the 2018 Genesis G90?
This model year has 6 official safety campaigns listed.
Should buyers consider alternatives to the 2018 Genesis G90?
Alternative listed in this guide: 2018 Mercedes-Benz S-Class.