Test every interior function. Mode door actuators for the AC, power window motors, and the instrument cluster are frequent failure points.
These models use the reliable 6.0L V8 , but they are paired with a 4-speed transmission that can feel sluggish given the H2's weight. Years to Approach with Caution: buying a used hummer h2
Thoroughly check the undercarriage, especially if the vehicle lived in a "salt belt" state. Excessive rust is a common deal-breaker for these frames. Test every interior function