You may have noticed that the Jeep Commander is often referred to as the Jeep XK, just like the Jeep Cherokee was commonly denominated XJ. This is because Jeep uses a two-letter combination to name the different platforms of their vehicles. For example, the Jeep Cherokee built between 1984 and 2001 was built on the XJ platform. The Jeep Commander is the first Jeep model vehicle built under the new XK platform. You can learn about all the different Jeep platforms in this interesting recap.