Comfort
Fitted with hydraulic speed sensitive power steering, the new C6 is available with two powerful V6 engines. With a choice of super quiet 3.0L V6 petrol and 2.7L V6 twin turbo diesel engines, mated to a 6 speed auto adaptive gearbox and an unequalled suspension system, the C6 effectively sets new standards in comfort, road-holding and fuel efficient driving pleasure.