The Lincoln Aviator is a mid-size luxury sport-utility vehicle (SUV) that was marketed for the 2003 to 2005 model years. Due to lower than expected sales, the Lincoln Aviator was not continued when the Explorer and Mountaineer were redesigned for 2006. The Lincoln Aviator was available in a rear-wheel drive (RWD) configuration with all-wheel drive (AWD) as an option. Remote keyless entry is a standard feature on all model years of the Lincoln Aviator.