CO₂ emissions: 7 of 7 variants rated.
Hummer H2 SUT 6.0 V8 Exclusive tops the Hummer H2 ranking by CO₂ emissions, at 512 g/km.
Across 7 ranked variants, CO₂ emissions spans from 412 g/km to 512 g/km.
| # | Variant | Year | Body | Fuel | CO₂ emissions |
|---|---|---|---|---|---|
| 1 | Hummer H2 SUT 6.0 V8 Exclusive | 2007 | SUV | Petrol | 512 g/km |
| 2 | Hummer H2 6.0 V8 Pure | 2004 | SUV | Petrol | 512 g/km |
| 3 | Hummer H2 6.0 V8 Adventure | 2004 | SUV | Petrol | 512 g/km |
| 4 | Hummer H2 6.0 V8 Exclusive | 2004 | SUV | Petrol | 512 g/km |
| 5 | Hummer H2 SUT 6.2 V8 Luxury | 2007 | SUV | Petrol | 412 g/km |
| 6 | Hummer H2 6.2 V8 Adventure | 2007 | SUV | Petrol | 412 g/km |
| 7 | Hummer H2 6.2 V8 Luxury | 2007 | SUV | Petrol | 412 g/km |