Hummer's H3 was een 5-deurs suv/crossover en was te koop vanaf 2005. De verkoop is sinds 2009 gestopt.
| Type | Motor | Transmissie | Inhoud |
| 3.7 | benzine | handm. 5 | 3.7 liter |
| 3.7 Adventure | benzine | handm. 5 | 3.7 liter |
| 3.7 Luxury | benzine | handm. 5 | 3.7 liter |
| 3.7 | benzine | automaat 4 | 3.7 liter |
| 3.7 Adventure | benzine | automaat 4 | 3.7 liter |
| 3.7 Luxury | benzine | automaat 4 | 3.7 liter |
| 5.3 V8 Luxury | benzine | automaat 4 | 5.3 liter |
| Type | Motor | Transmissie | Inhoud |
| 3.5 Comfort | benzine | handm. 5 | 3.5 liter |
| 3.5 Advantage | benzine | handm. 5 | 3.5 liter |
| 3.5 Executive | benzine | handm. 5 | 3.5 liter |
| 3.5 Comfort | benzine | automaat 4 | 3.5 liter |
| 3.5 Advantage | benzine | automaat 4 | 3.5 liter |
| 3.5 Executive | benzine | automaat 4 | 3.5 liter |