H2 Sut (2005)
NHTSA files most complaints about this model under the 2003-2009 Hummer H2, and they are counted on that page. This page counts only the 12 complaints whose own record names the Hummer H2 Sut.
Reliability Score
Complaints by Engine Code
Every complaint of any kind (brakes, airbags, electrical and the rest) whose VIN names the engine, across all model years. The score above counts only engine, transmission and drivetrain complaints, so its figures for the same engine are smaller. Fire, injury and death figures count complaints that report one.
LQ4
6.0L 8-cylView details
Complaint Breakdown
Show 1 additional engine variant with limited data
Hummer H2 Sut Unidentified Engine
View details
Complaint Breakdown
Owner Complaints by System
Complaints owners filed with NHTSA about the Hummer H2 Sut, counted across every engine. A complaint can name more than one system.
Alternatives in Compact SUV
Frequently Asked Questions
What are the most common 2005-2005 Hummer H2 Sut complaints?
Owners have filed 12 complaints with NHTSA about the 2005-2005 Hummer H2 Sut. The systems they name most often are the electrical system, the brakes and the steering.
Is the 2005-2005 Hummer H2 Sut a good used car?
That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 12 complaints with NHTSA about the 2005-2005 Hummer H2 Sut. Check which systems they name most often and whether a recall is still open on that car.
How many NHTSA complaints does the 2005-2005 Hummer H2 Sut have?
NHTSA has 12 owner complaints on file for the 2005-2005 Hummer H2 Sut as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.
What recalls affect the 2005-2005 Hummer H2 Sut?
NHTSA lists no recalls for the 2005-2005 Hummer H2 Sut.
What should I check before buying a used Hummer H2 Sut?
Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the electrical system, the brakes and the steering, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and title issues.
Does the H2 Sut have NHTSA crash test ratings?
NHTSA has not published crash test ratings for the 2005 Hummer H2 Sut. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.
Data from NHTSA federal complaints database. 12 complaints analyzed. Data confidence: low. Last updated: 2026-10-18.