Catastrophic engine failures, including complete shutdowns and the need for replacement, are the most frequently reported issues. This is particularly concerning for the 6.2L V8 engine and occurs at relatively low mileage. Estimated repair cost: $5,000 - $10,000+.

Electrical System Malfunctions

Issues within the electrical system can lead to various malfunctions, including unexpected vehicle shutdowns and system failures. These problems are frequently reported and can impact overall vehicle operation. Estimated repair cost: $300 - $1,500.

While engine failures are the primary concern, other powertrain issues can arise, affecting transmission performance and overall drivability. These can manifest as rough shifting or loss of power. Estimated repair cost: $1,000 - $4,000.

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2023 GMC Yukon XL Maintenance guide

Name: Maintenance dataset for 2023 GMC Yukon XL
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed4 Critical Recalls

MAINTENANCE SUMMARY

The 2023 GMC Yukon XL, with its 6.2L V8 engine, faces significant concerns regarding engine failures, reported in 44.6% of complaints. Preventative maintenance should focus on rigorous engine inspections and adhering to premium oil change intervals.

View Critical Issue: Engine Failure

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Reliability Score

Est. Annual Maintenance Cost

$500 - $900

TSBs & Recalls

218 TSBs | 10 Recalls

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Key Takeaways

Prioritize engine maintenance due to a high incidence of failures.
Regularly inspect the electrical system for potential issues.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance