| XK8 4.2 V8 Coupe | 2009 | 4196 ccm | 299 | 245 | 164.0 |
| XK8 4.2 V8 Convertible | 2009 | 4196 ccm | 299 | - | 254.0 |
| XK8 4.2 Convertible Automatic | 2008 | 4196 ccm | - | 245 | 254.0 |
| XK8 4.2 Convertible | 2008 | 4196 ccm | 299 | 250 | 254.0 |
| XK8 4.2 Coupe | 2008 | 4196 ccm | 298 | 250 | - |
| XK8 4.2 V8 Convertible | 2007 | 4196 ccm | 299 | - | 254.0 |
| XK8 4.2 Coupe | 2007 | 4196 ccm | 293 | 250 | 279.0 |
| XK8 4.2 Cabriolet | 2007 | 4196 ccm | - | - | - |
| XK8 4.2 V8 Coupe | 2007 | 4196 ccm | 299 | 250 | 163.9 |
| XK8 Convertible | 2006 | 4194 ccm | 292 | 250 | 279.0 |
| XK8 Cabriolet | 2006 | 4196 ccm | 292 | 250 | - |
| XK8 Coupe | 2006 | 4196 ccm | 292 | 250 | 278.9 |
| XK8 4.2 Convertible Automatic | 2005 | 4194 ccm | 292 | 250 | - |
| XK8 Coupe | 2005 | 4196 ccm | 292 | 250 | - |
| XK8 4.2 Coupe Automatic | 2005 | 4195 ccm | 292 | 250 | - |
| XK8 Cabriolet | 2005 | 4195 ccm | 292 | 250 | - |
| XK8 Convertible | 2002 | 4196 ccm | 300 | 250 | 279.0 |
| XK8 Coupé | 2002 | 4196 ccm | 300 | 250 | 284.0 |
| XK8 Coupe | 2002 | 4195 ccm | 298 | 250 | 284.0 |
| XK8 | 2001 | 3996 ccm | 388 | - | - |
| XK8 | 2001 | 3996 ccm | 401 | - | - |
| XK8 | 1997 | 3996 ccm | 288 | 236 | - |
| XK8 | 1997 | 3996 ccm | 298 | 236 | - |
| XK8 Coupé | 1996 | 3996 ccm | 290 | 251 | - |
| XK8 Coupe | 1996 | 3996 ccm | 289 | 251 | - |