C6
Engine	Original Power	Stage 1	Difference	Vmax
3.0 V6	155 kW (211 hp) 290Nm	168 kW (229 hp) 310Nm	18 hp	✓
2.2 HDI	120 kW (163 hp) 370Nm	150 kW (204 hp) 440Nm	41 hp	✓
2.2 HDI	125 kW (170 hp) 370Nm	151 kW (205 hp) 450Nm	35 hp	✓
2.7 V6 HDI	150 kW (204 hp) 440Nm	176 kW (239 hp) 510Nm	35 hp	✓
3.0 HDI	152 kW (207 hp) 450Nm	213 kW (290 hp) 500Nm	83 hp	✓
3.0 HDI	177 kW (241 hp) 450Nm	213 kW (290 hp) 530Nm	49 hp	✓