The Weekly Driver
Reliability

Hummer

Owner Complaints by Model and Engine

Based on 1,109 NHTSA complaints. Updated October 2026.

3 Models
11 Engines Rated
3 Generations
1,109 NHTSA Complaints
Generations by reliability score
1 fewer complaints than their class1 about as many as their class

Compact SUV

3 models
H2
1 generation · 3 engines
2003-2009
1 fewer complaints than their class
H2 Sut
1 generation · 2 engines
2005
H3
1 generation · 6 engines
2006-2010
1 about as many as their class
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