XK-COUPE |
||||
| Engine | Original Power | Stage 1 | Difference | Vmax |
| 5.0 V8 | 283 kW (385 hp) 515Nm | 301 kW (410 hp) 540Nm | 25 hp | ✓ |
| 5.0 V8 Supercharged | 375 kW (510 hp) 625Nm | 404 kW (550 hp) 700Nm | 40 hp | ✓ |
XK-COUPE |
||||
| Engine | Original Power | Stage 1 | Difference | Vmax |
| 5.0 V8 | 283 kW (385 hp) 515Nm | 301 kW (410 hp) 540Nm | 25 hp | ✓ |
| 5.0 V8 Supercharged | 375 kW (510 hp) 625Nm | 404 kW (550 hp) 700Nm | 40 hp | ✓ |