| Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Buick Regal LS | 2004 | 150 kW | 3791 ccm | - | - |
| Buick Rendez-vous | 2004 | 139 kW | 3343 ccm | - | - |
| Buick Rendezvous CX | 2004 | 139 kW | 3343 ccm | - | - |
| Buick Terraza | 2004 | 148 kW | 3498 ccm | - | - |
| Buick Terraza 3.5 | 2004 | 148 kW | 3498 ccm | - | - |
| Buick Century | 2005 | 130 kW | 3135 ccm | - | - |
| Buick Century Sedan | 2005 | 131 kW | 3130 ccm | - | - |
| Buick La Crosse | 2005 | 178 kW | 3564 ccm | - | - |
| Buick LaCrosse CX | 2005 | 150 kW | 3786 ccm | - | - |
| Buick LaCrosse CXL | 2005 | 150 kW | 3786 ccm | - | - |
| Buick LaCrosse CXS | 2005 | 180 kW | 3556 ccm | - | - |
| Buick Le Sabre Limited | 2005 | 153 kW | 3800 ccm | - | - |
| Buick LeSabre Custom | 2005 | 153 kW | 3786 ccm | - | - |
| Buick Park Avenue | 2005 | 153 kW | 3789 ccm | - | - |
| Buick Park Avenue Sedan | 2005 | 154 kW | 3786 ccm | - | - |
| Buick Park Avenue Ultra | 2005 | 181 kW | 3785 ccm | - | - |
| Buick Rainier | 2005 | 203 kW | 4195 ccm | - | - |
| Buick Rainier CXL | 2005 | 206 kW | 4163 ccm | - | - |
| Buick Rainier CXL 4WD | 2005 | 206 kW | 4163 ccm | - | - |
| Buick Regal | 2005 | 148 kW | 3791 ccm | - | - |
