There are many different models currently being produced by Kia. The weight is determined which model it is, the specification level and the options fitted, plus a few other things.
Please ask this question again, but stating the model name and specification level for which you would like to know the weight.
Use exactly the weight that is recommended by Kia.
The curb weight of the 2015 Kia Sorento is 3594 lbs.
The curb weight of the 2005 Kia Rio is 2403 lbs..
The curb weight of the 2014 KIA Cadenza is 3668 lbs..
The curb weight of the 2011 Kia Rio is 2365 lbs..
The curb weight of the 2009 Kia Sorento is 4068 lbs..
The curb weight of the 2010 Kia Sedona is 4365 lbs..
The curb weight of the 2003 Kia Optima is 3281 lbs..
The curb weight of the 2005 Kia Optima is 3281 lbs..
The curb weight of the 2009 Kia Optima is 3157 lbs..
The curb weight of the 2012 Kia Sedona is 4374 lbs..
The curb weight of the 2010 Kia Rio is 2365 lbs..