The Lincoln MKX was launched in 2007 as a mid-size luxury SUV that can seat five passengers. The vehicle is the first that uses this new naming dispensation being tried by Lincoln. In this naming configuration, Lincoln does not use names, but uses numbers or letters. The vehicle was originally named the Aviator but once it was publicly unveiled at the 2006 North American International Auto Show its name was changed. The MKX is available in only one version, which can be bought with front or all-wheel drive. The MKX is powered by a 265 horsepower V6 engine and is equipped with a six speed automatic transmission. The MKX also has ABS, traction control, 18 inch tires, side air bags for the front passengers and curtain side airbags. Optional with the MKX is a navigation system, DVD based entertainment system, and a moon roof.

In 2008, the Lincoln MKX is available in one version that seats five passengers. It is powered by a 3.5 Liter V6 that has 265 horsepower. It has a six speed automatic transmission and can tow 3500 pounds. The MKX can achieve a speed of 60 miles per hour in 8.4 seconds and gets 16 miles per gallon in the city and 23 miles per gallon on highway. It is equipped with 18 inch tires, a system that helps the driver park the vehicle while reversing it, a telescoping steering wheel and a mirror that dims the light of oncoming traffic automatically. It also has seats that are both heated and cooled, a driver's seat with memory, a music system with six speakers and a CD player that can store six CDs at a time. Optional with the vehicle are 20 inch tires, heated back seats, a DVD entertainment system in the back, sun roof with a panoramic view and a stereo system with 11 speakers and surround sound.