2018 Infiniti Q50 Report
Known issues, recalls, running costs, and what to check before you buy.
Overall Score
Key Takeaways
- The 3.0-liter V6 engine provides strong performance, but premium fuel is required.
- Average reliability means condition and maintenance history are paramount.
- Potential buyers must verify completion of recalls related to the driveshaft and fuel pump control module software.
- The absence of consumer complaints is offset by a high TSB count, indicating potential for minor issues.
2018 Infiniti Q50
Critical Failure Risk
Recalls indicate a potential for driveshaft fatigue and breakage. This can lead to a loss of motive power or, in severe cases, component detachment.
Early detection can help you avoid a $800-$1,500 repair.
Safety & Bulletins
Owner Complaints
No primary complaint themes found.
Performance & Efficiency
Reliability
Practicality
The score is mainly limited by high fuel consumption.
Who This Car Is For
Best for
Drivers seeking a sporty luxury sedan with strong acceleration.
+2 more buyer-fit notes in the full report
Avoid if
Shoppers prioritizing absolute reliability and minimal unexpected repair costs.
+2 more buyer-fit warnings in the full report
2018 Infiniti Q50 Reliability Analysis
Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2018 Infiniti Q50.
Vehicle Specs
- Fuel Type
- Premium
- Seating Capacity
- 5
- Transmission
- Automatic (S7)
- Drivetrain
- Rear-Wheel Drive
- Body Style
- Sedan
- EPA Combined MPG
- 23
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Most Common Issues
1. Driveshaft Fatigue and Failure
Most reportedUsage data observed
2. Engine Stalling (Fuel Pump Control Module Software)
Usage data observed
First Service Interval
- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection
Est. shop cost: $100 - $200
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FAQ
Is the 2018 Infiniti Q50 reliable?
The CarFocal Reliability Score for the 2018 Infiniti Q50 is 8.5/10. Reliability score is 8.5/10. NHTSA recalls: 10. Owner complaints: 0.
How practical is the 2018 Infiniti Q50 for daily use?
Practicality score is 5.0/10. The score is mainly limited by high fuel consumption. EPA combined economy is 23 MPG. Seating capacity is 5. 4 passenger doors are listed.
What is the overall score for the 2018 Infiniti Q50?
The CarFocal Overall Score for the 2018 Infiniti Q50 is 6.9/10. Overall score is 6.9/10 (Good). Confidence 55%. Maintenance 8.3/10. Practicality 5.0/10.
What does it cost to own and maintain a 2018 Infiniti Q50?
Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection at 5,000 miles. Estimated first-year maintenance: $300 - $600. Repair prediction highlight: Driveshaft (typical at 80,000 miles, estimated cost Min: $800 • Max: $1,500).
What is the MSRP range for the 2018 Infiniti Q50?
Base MSRP is $50,600.
What engine is in the 2018 Infiniti Q50?
Engine specs list 6 • 3.0.
What transmission does the 2018 Infiniti Q50 use?
According to CarFocal's specs for the 2018 Infiniti Q50, transmission is Automatic (S7). The paired drivetrain is Rear-Wheel Drive.
Does the 2018 Q50 require Premium gas?
Manufacturer fuel recommendation: Premium.
What is the combined EPA MPG for the 2018 Infiniti Q50?
EPA combined estimate is 23 MPG.
What driver assistance and safety features are available on the 2018 Infiniti Q50?
10 standard and 2 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.
How many people fit in a 2018 Infiniti Q50?
According to CarFocal's specs for the 2018 Infiniti Q50, seating capacity is 5.
What body style is the 2018 Infiniti Q50?
According to CarFocal's specs for the 2018 Infiniti Q50, body style is sedan.
What drivetrain does the 2018 Infiniti Q50 use?
According to CarFocal's specs for the 2018 Infiniti Q50, drivetrain is Rear-Wheel Drive. Transmission is Automatic (S7).
What are the NHTSA safety ratings for the 2018 Infiniti Q50?
NHTSA ratings: Rollover 5/5.
Are there open safety recalls on the 2018 Infiniti Q50?
This model year has 10 official safety campaigns listed.