2021 GMC Yukon XL Maintenance guide

v1.0Updated Ethan Miller4 Sources Analyzed5 Critical Recalls
The 2021 GMC Yukon XL, with a 'Below Average' reliability verdict, demands vigilant maintenance, particularly for its engine and powertrain. Owners should focus on preventative checks for potential connecting rod/crankshaft issues and fuel pump control module failures, as these are significant concerns based on complaint data.
Reliability Score
Est. Annual Maintenance Cost
$500 - $800
TSBs & Recalls
140 TSBs | 19 Recalls
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Key Takeaways
- The 2021 GMC Yukon XL has a 'Below Average' reliability rating.
- Engine and powertrain issues are the most frequent and severe complaints.
3 more takeaways unlock below
Critical service intervals
Common failure analysis
Symptoms and prevention guidance
Related guides and deeper reading
Full data sources and methodology
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MethodologyHow we score →
Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.
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