are you driving on a smooth road ? some of the 4 x4 will shudder on even pavement. Remember 4 x4 driving assumes your on rough or uneven surfaces. But just to be safe have it checked at a transmission service center.It is slightly possible a driveshaft joint has dried out causing this but is is rare.
The 2010 Kia Sportage has front wheel drive.
The 2011 Kia Sportage has front wheel drive.
The 2014 Kia Sportage has front wheel drive.
The 2012 Kia Sportage has front wheel drive.
The 2013 Kia Sportage has front wheel drive.
The 2008 Kia Sportage has front wheel drive.
The 2007 Kia Sportage has front wheel drive.
The 2009 Kia Sportage has front wheel drive.
The 2002 Kia Sportage has rear wheel drive.
The 2006 Kia Sportage has front wheel drive.
The 2005 Kia Sportage has front wheel drive.
The 2001 Kia Sportage has rear wheel drive.