The Lincoln Aviator 4WD is a full-size luxury crossover SUV produced by the Lincoln Motor Company. It was first introduced for the 2003 model year and is classified as a mid-size luxury SUV. The Aviator models have features such as a standard 3.5L V6 engine, four-wheel drive, and a six-speed automatic transmission. The Aviator 4WD has features such as air suspension, Bluetooth, SYNC 3 infotainment, and adaptive cruise control.