The 2008 Lincoln Navigator L is an extended-wheelbase full-size luxury SUV offered with rear- and four-wheel-drive. There is only one loaded trim level available. It includes 18-inch wheels, parking sensors and a slew of power features including extending running boards, a rear liftgate, a folding third-row seat, leather upholstery, adjustable pedals, a tilt-telescoping steering wheel and 10-way front seats with heating, cooling and memory. There are also a second-row center console, rear-seat climate control and a THX-certified 14-speaker audio system with six-CD changer, satellite radio and auxiliary jack.Options include 20-inch wheels, a sunroof, upgraded leather seats with contrasting piping, and a tow package. The Elite Package bundles a rearview camera, rear-seat DVD entertainment and a navigation system. A Monochrome Limited Edition package cuts down on some of the exterior's chrome trim and adds unique interior trim.