The large Quattroporte seats up to five people. It has a leather and Rosewood trimmed interior. It comes standard with Brembo all-disc brakes, an automatic-damping suspension system, 18-inch wheels, navigation system, and Bose Audio. It is powered by a 394 hp 4.2-liter V-8 engine mated to a six-speed sequential manual transmission. Safety features include all-disc antilock brakes, Maserati's Stability Program, side-impact airbags, and side curtain airbags.For 2006, the Maserati Quattroporte is a carryover from 2005.