The 2011 Porsche Panamera is a four-passenger, four-door hatchback that is offered in five trim levels that each corresponds to a drivetrain choice. The base rear-wheel-drive Panamera is powered by a V6 and includes 18-inch wheels, adaptive suspension dampers, rear parking sensors, a sunroof, a power rear hatch, dual-zone automatic climate control, a tilt-and-telescoping steering column, eight-way power front seats, driver memory functions, a cooled glovebox, heated front seats, leather upholstery, a 60/40-split rear seatback and rear bucket seats. Also standard are a hard-drive-based navigation system and an 11-speaker CD audio system. The Panamera 4 differs only in that it has all-wheel drive. Every 2011 Porsche Panamera comes standard with antilock brakes (with brake assist), stability and traction control, front and rear side airbags, side curtain airbags and front knee airbags.