Here is a list of Kia Sorento models and their corresponding timing systems:
* 2003-2006 Kia Sorento: 3.5L V6 engine with timing belt
* 2007-2009 Kia Sorento: 3.3L V6 engine with timing chain
* 2010-2015 Kia Sorento: 3.5L V6 engine with timing chain
* 2016-2021 Kia Sorento: 2.4L I-4 engine with timing chain
It is important to note that this information may not be exhaustive, and there may be some exceptions or variations depending on the specific model and trim level of the Kia Sorento. If you are unsure of the type of timing system in your Kia Sorento, it is best to consult the owner's manual or contact a certified mechanic for more information.