2020 GMC Yukon Report
Known issues, recalls, running costs, and what to check before you buy.

Overall Score
Key Takeaways
- Powertrain issues, including engine and transmission failures, are the most significant concern, often appearing around 100,000 miles.
- The Yukon received 6 recalls, with notable campaigns addressing Service Brakes, Tires, and the Fuel System.
- Safety ratings are solid, with a 5-star score in side crash tests, though rollover protection is rated at 3 stars.
- Fuel economy is modest, averaging 16 MPG combined, contributing to higher running costs.
2020 GMC Yukon
Critical Failure Risk
Significant engine and transmission failures are reported, often around 100,000 miles. Symptoms include slipping, rough running, overheating, and complete loss of propulsion. Torque converter failure is a noted cause of transmission damage.
Early detection can help you avoid a $2,000-$8,000 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
Drivers who need substantial towing and cargo capacity.
+2 more buyer-fit notes in the full report
Avoid if
Budget-conscious buyers seeking minimal repair costs.
+2 more buyer-fit warnings in the full report
2020 GMC Yukon Reliability Analysis
Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2020 GMC Yukon.
Vehicle Specs
- Fuel Type
- Gasoline or E85
- Seating Capacity
- 8
- Transmission
- Automatic
- Drivetrain
- 4-Wheel Drive
- Body Style
- Suv
- EPA Combined MPG
- 16
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Most Common Issues
1. Powertrain
Most reportedUsage: 8 reports
2. ENGINE
Usage: 5 reports
First Service Interval
- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation - Inspect Brakes - Inspect Wiper Blades
Est. shop cost: $100 - $200
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FAQ
Is the 2020 GMC Yukon reliable?
The CarFocal Reliability Score for the 2020 GMC Yukon is 8.2/10. Reliability score is 8.2/10. NHTSA recalls: 6. Owner complaints: 23.
How practical is the 2020 GMC Yukon for daily use?
Practicality score is 3.6/10. The score is mainly limited by high fuel consumption. EPA combined economy is 16 MPG. Seating capacity is 8.
What is the overall score for the 2020 GMC Yukon?
The CarFocal Overall Score for the 2020 GMC Yukon is 6.4/10. Overall score is 6.4/10 (Mixed). Confidence 85%. Maintenance 8.6/10. Practicality 3.6/10.
What does it cost to own and maintain a 2020 GMC Yukon?
Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation - Inspect Brakes - Inspect Wiper Blades at 7,500 miles. Estimated first-year maintenance: $500 - $1,000. Repair prediction highlight: Transmission (typical at 100,000 miles, estimated cost Min: $2,000 • Max: $8,000+).
What engine is in the 2020 GMC Yukon?
Engine specs list 8 • 5.3.
What transmission does the 2020 GMC Yukon use?
According to CarFocal's specs for the 2020 GMC Yukon, transmission is Automatic. The paired drivetrain is 4-Wheel Drive.
Does the 2020 Yukon require Gasoline or E85 gas?
Manufacturer fuel recommendation: Gasoline or E85.
What is the combined EPA MPG for the 2020 GMC Yukon?
EPA combined estimate is 16 MPG.
What driver assistance and safety features are available on the 2020 GMC Yukon?
11 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 2020 GMC Yukon?
According to CarFocal's specs for the 2020 GMC Yukon, seating capacity is 8.
What body style is the 2020 GMC Yukon?
According to CarFocal's specs for the 2020 GMC Yukon, body style is suv.
What drivetrain does the 2020 GMC Yukon use?
According to CarFocal's specs for the 2020 GMC Yukon, drivetrain is 4-Wheel Drive. Transmission is Automatic.
What are the NHTSA safety ratings for the 2020 GMC Yukon?
NHTSA ratings: Overall 4/5 • Frontal 4/5 • Side 5/5 • Rollover 3/5.
What are the most common power train problems on the 2020 GMC Yukon?
Top complaint category: power train (8 reports, 34.8% of complaints).
Are there open safety recalls on the 2020 GMC Yukon?
This model year has 6 official safety campaigns listed.
Should buyers consider alternatives to the 2020 GMC Yukon?
Alternatives listed in this guide: 2020 Chevrolet Tahoe and 2020 Ford Expedition.