2021 GMC Yukon Report
Known issues, recalls, running costs, and what to check before you buy.
Overall Score
Key Takeaways
- Significant engine reliability concerns, especially with the 6.2L V8, including potential internal component failures.
- High complaint volume for ENGINE, POWER TRAIN, and FUEL/PROPULSION SYSTEM issues.
- A critical recall (25V274000) addresses potential engine damage due to connecting rod or crankshaft defects.
- The 6.2L V8 requires premium fuel, contributing to higher running costs.
2021 GMC Yukon
Critical Failure Risk
The 6.2L V8 engine is susceptible to internal failures including worn lifters, damaged bearings, and crankshaft issues. This is a significant concern highlighted by recalls and numerous owner complaints.
Early detection can help you avoid a $3,000-$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
Buyers prioritizing space and towing capacity over long-term mechanical certainty.
+2 more buyer-fit notes in the full report
Avoid if
Drivers seeking a low-maintenance, worry-free ownership experience.
+2 more buyer-fit warnings in the full report
2021 GMC Yukon Reliability Analysis
Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2021 GMC Yukon.
Vehicle Specs
- Fuel Type
- Premium
- Seating Capacity
- 8
- Transmission
- Automatic
- Drivetrain
- Rear-Wheel Drive
- Body Style
- Suv
- EPA Combined MPG
- 16
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Most Common Issues
1. ENGINE
Most reportedUsage: 109 reports
2. Powertrain
Usage: 35 reports
First Service Interval
- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation - Inspect Brake System - Inspect Suspension Components
Est. shop cost: $100 - $200
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FAQ
Is the 2021 GMC Yukon reliable?
The CarFocal Reliability Score for the 2021 GMC Yukon is 5.7/10. Reliability score is 5.7/10. NHTSA recalls: 19. Owner complaints: 330.
How practical is the 2021 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 2021 GMC Yukon?
The CarFocal Overall Score for the 2021 GMC Yukon is 5.7/10. Overall score is 5.7/10 (Mixed). Confidence 85%. Maintenance 8.4/10. Practicality 3.6/10.
What does it cost to own and maintain a 2021 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 Brake System - Inspect Suspension Components at 7,500 miles. Estimated first-year maintenance: $500 - $1,000. Repair prediction highlight: Engine (Internal Components: Lifters, Bearings, Crankshaft) (typical at 75,000 miles, estimated cost Min: $3,000 • Max: $8,000+).
What engine is in the 2021 GMC Yukon?
Engine specs list 8 • 6.2.
What transmission does the 2021 GMC Yukon use?
According to CarFocal's specs for the 2021 GMC Yukon, transmission is Automatic. The paired drivetrain is Rear-Wheel Drive.
Does the 2021 Yukon require Premium gas?
Manufacturer fuel recommendation: Premium.
What is the combined EPA MPG for the 2021 GMC Yukon?
EPA combined estimate is 16 MPG.
What driver assistance and safety features are available on the 2021 GMC Yukon?
13 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 2021 GMC Yukon?
According to CarFocal's specs for the 2021 GMC Yukon, seating capacity is 8.
What body style is the 2021 GMC Yukon?
According to CarFocal's specs for the 2021 GMC Yukon, body style is suv.
What drivetrain does the 2021 GMC Yukon use?
According to CarFocal's specs for the 2021 GMC Yukon, drivetrain is Rear-Wheel Drive. Transmission is Automatic.
What are the NHTSA safety ratings for the 2021 GMC Yukon?
NHTSA ratings: Overall 4/5 • Frontal 4/5 • Side 5/5 • Rollover 3/5.
What are the most common engine problems on the 2021 GMC Yukon?
Top complaint category: engine (109 reports, 33% of complaints).
Are there open safety recalls on the 2021 GMC Yukon?
This model year has 19 official safety campaigns listed.
Should buyers consider alternatives to the 2021 GMC Yukon?
Alternatives listed in this guide: 2021 Chevrolet Tahoe and 2021 Ford Expedition.