The 2007 Lincoln Navigator 4x4 is a redesigned, full-size luxury SUV offering immense comfort, a 300-hp 5.4L V8 engine, and a 6-speed automatic transmission. It features a plush, 7-passenger interior, available in standard and extended-length (L) versions, with notable amenities like power-folding third-row seats, HID headlights, and available heated/cooled seats.