| Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Buick Century | 2003 | 129 kW | 3134 ccm | - | - |
| Buick Le Sabre | 2003 | 153 kW | 3791 ccm | - | - |
| Buick Park Avenue | 2003 | 153 kW | 3791 ccm | - | - |
| Buick Rainier | 2003 | 203 kW | 4195 ccm | - | - |
| Buick Rainier 5.3 | 2003 | 214 kW | 5300 ccm | - | - |
| Buick Regal | 2003 | 148 kW | 3789 ccm | - | - |
| Buick Rendez-vous | 2003 | 139 kW | 3350 ccm | - | - |
| Buick Century | 2004 | 129 kW | 3134 ccm | - | - |
| Buick Lacrosse | 2004 | 178 kW | 3564 ccm | - | - |
| Buick Lacrosse 3.8 | 2004 | 148 kW | 3790 ccm | - | - |
| Buick Le Sabre Custom | 2004 | 153 kW | 3791 ccm | - | - |
| Buick Le Sabre Limited | 2004 | 153 kW | 3791 ccm | - | - |
| Buick Park Avenue | 2004 | 153 kW | 3791 ccm | - | - |
| Buick Park Avenue Sedan | 2004 | 153 kW | 3791 ccm | - | - |
| Buick Rainier | 2004 | 203 kW | 4194 ccm | - | - |
| Buick Rainier CXL 4WD | 2004 | 206 kW | 4195 ccm | - | - |
| Buick Rainier CXL Plus | 2004 | 206 kW | 4195 ccm | - | - |
| Buick Rainier CXL Plus AWD | 2004 | 206 kW | 4195 ccm | - | - |
| Buick Regal | 2004 | 148 kW | 3791 ccm | - | - |
| Buick Regal GS | 2004 | 187 kW | 3786 ccm | - | - |
