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| Type | Engine | Capacity | Power | Model Year |
|---|---|---|---|---|
| 5.3 V8 2WD | LMG | 5328cc | 235kW | 2007 - 2014 |
| 5.3 V8 Flex Fuel | LC9 | 5328cc | 235kW | 2007 - 2014 |
| 6.0 V8 Hybrid | LZ1 | 5967cc | 278kW | 2010 - 2013 |