7.4

pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
6,850 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2005 GMC Sierra engine problems

engine problem

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2005 GMC Sierra Owner Comments

problem #2

Jul 202005

Sierra 8-cyl Diesel

  • Automatic transmission
  • 6,200 miles

A D V E R T I S E M E N T S

Overheating of 2005 GMC duramax diesel engine while pulling small 5th wheel in mountains of Colorado. This caused me to have to slow down to the point where I was a hazard to myself and others on the highways because of my vehicle causing a traffic obstruction.

- Oklahoma City, OK, USA

problem #1

Jun 252005

Sierra 4WD 8-cyl Diesel

  • Automatic transmission
  • 7,500 miles
Engine overheat, requiring pulling off to shoulder, no A/C for occupants of vehicle including two small children

- Mesa, AZ, USA

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