2018 GMC Yukon Report
Known issues, recalls, running costs, and what to check before you buy.
Overall Score
Key Takeaways
- Significant engine and powertrain issues are the primary concern, with AFM lifter and camshaft failures frequently reported.
- The 6.2L V8 engine requires premium fuel and is a focal point for reliability complaints.
- Safety ratings are strong overall (4/5), with perfect scores in frontal and side crash tests, though rollover is rated 3/5.
- Fuel economy is modest, with a combined EPA rating of 16 MPG.
2018 GMC Yukon
The 2018 GMC Yukon offers substantial capability and passenger space, but its below-average reliability verdict demands careful consideration for used buyers. While it boasts strong safety scores in frontal and side impacts, a concerning number of complaints center on the ENGINE and POWER TRAIN. The 6.2L V8, while potent, is susceptible to issues like AFM lifter failure. With 6 recalls and 83 complaints logged, potential buyers should prioritize thorough inspections, particularly for engine and brake systems, and be prepared for potentially higher running costs.
Critical Failure Risk
Significant recurring engine failures are reported, particularly involving the Active Fuel Management (AFM) system. Issues include lifter failure, camshaft wear, and in severe cases, connecting rod damage. These can lead to catastrophic engine failure.
Early detection can help you avoid a $2,000-$7,000 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 passenger and cargo space over long-term mechanical certainty.
+2 more buyer-fit notes in the full report
Avoid if
Buyers seeking a trouble-free ownership experience with minimal repair risk.
+2 more buyer-fit warnings in the full report
2018 GMC Yukon Reliability Analysis
Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2018 GMC Yukon.
Vehicle Specs
- Fuel Type
- Premium
- Seating Capacity
- 8
- Transmission
- Automatic
- Drivetrain
- 4-Wheel Drive
- EPA Combined MPG
- 16
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Most Common Issues
1. ENGINE
Most reportedUsage: 23 reports
2. Powertrain
Usage: 13 reports
First Service Interval
- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Chassis Lubrication
Est. shop cost: $100 - $200
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FAQ
Is the 2018 GMC Yukon reliable?
The CarFocal Reliability Score for the 2018 GMC Yukon is 7.9/10. Reliability score is 7.9/10. NHTSA recalls: 6. Owner complaints: 83.
How practical is the 2018 GMC Yukon for daily use?
Practicality score is 4.6/10. The score is mainly limited by high fuel consumption. EPA combined economy is 16 MPG. Seating capacity is 8. 4 passenger doors are listed.
What is the overall score for the 2018 GMC Yukon?
The CarFocal Overall Score for the 2018 GMC Yukon is 6.4/10. Overall score is 6.4/10 (Mixed). Confidence 85%. Maintenance 7.9/10. Practicality 4.6/10.
What does it cost to own and maintain a 2018 GMC Yukon?
Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Chassis Lubrication at 7,500 miles. Estimated first-year maintenance: $500 - $1,000. Repair prediction highlight: Engine (AFM Lifters/Camshaft) (typical at 65,000 miles, estimated cost Min: $3,000 • Max: $7,000).
What is the MSRP range for the 2018 GMC Yukon?
Base MSRP is $66,200.
What engine is in the 2018 GMC Yukon?
Engine specs list 8 • 6.2.
What transmission does the 2018 GMC Yukon use?
According to CarFocal's specs for the 2018 GMC Yukon, transmission is Automatic. The paired drivetrain is 4-Wheel Drive.
Does the 2018 Yukon require Premium gas?
Manufacturer fuel recommendation: Premium.
What is the combined EPA MPG for the 2018 GMC Yukon?
EPA combined estimate is 16 MPG.
What driver assistance and safety features are available on the 2018 GMC Yukon?
11 standard and 1 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.
How many people fit in a 2018 GMC Yukon?
According to CarFocal's specs for the 2018 GMC Yukon, seating capacity is 8.
What drivetrain does the 2018 GMC Yukon use?
According to CarFocal's specs for the 2018 GMC Yukon, drivetrain is 4-Wheel Drive. Transmission is Automatic.
What are the NHTSA safety ratings for the 2018 GMC Yukon?
NHTSA ratings: Overall 4/5 • Frontal 5/5 • Side 5/5 • Rollover 3/5.
What are the most common engine problems on the 2018 GMC Yukon?
Top complaint category: engine (23 reports, 27.7% of complaints).
Are there open safety recalls on the 2018 GMC Yukon?
This model year has 6 official safety campaigns listed.
Should buyers consider alternatives to the 2018 GMC Yukon?
Alternatives listed in this guide: 2018 Chevrolet Tahoe and 2018 Ford Expedition.