2021 GMC Sierra Maintenance guide
v1.0Updated Daniel Wilson4 Sources Analyzed
The 2021 GMC Sierra boasts an excellent reliability record with zero recalls and zero complaints, simplifying maintenance. Focus on routine fluid changes and inspections for its 5.3L V8 engine and 4WD system to ensure continued dependability.
Reliability Score
Est. Annual Maintenance Cost
$400 - $700
TSBs & Recalls
0 TSBs | 0 Recalls
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Key Takeaways
- Excellent reliability with zero recalls and zero complaints.
- Routine maintenance on the 5.3L V8 and 4WD system is straightforward.
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Critical service intervals
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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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