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2006 GMC Sierra Denali

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 4 of 5 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Fuel System, Gasoline. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports0 fire reports0 injury reports

Power Train complaints

1 reports
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34,650 miles · Apr 19, 2012
Power Train

FRONT DIFFERENTIAL VIBRATION/NOISE AT 47-70 MPH. INTERNAL BEARINGS REPLACED DUE TO SIGNIFICANT METAL FOUND ON MAGNETIC DRAIN PLUG. TECHNICIAN STATEMENT "BEARINGS COMING APART" STATED. IDENTICAL COMPLAINT WITH IDENTICAL REPAIR REPEATED 4 TIMES WITHIN 85,000 MILES. FIRST REPAIR OCCURRED AT 34,000 MILES. LATEST (4TH) PERFORMED AT…

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FRONT DIFFERENTIAL VIBRATION/NOISE AT 47-70 MPH. INTERNAL BEARINGS REPLACED DUE TO SIGNIFICANT METAL FOUND ON MAGNETIC DRAIN PLUG. TECHNICIAN STATEMENT "BEARINGS COMING APART" STATED. IDENTICAL COMPLAINT WITH IDENTICAL REPAIR REPEATED 4 TIMES WITHIN 85,000 MILES. FIRST REPAIR OCCURRED AT 34,000 MILES. LATEST (4TH) PERFORMED AT 85,919 MILES. *JS

NHTSA ODI #10455746

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.