interchangeable parts

There is no master list, 2011 was a mid cycle refresh, so the 2011 had more updated suspension parts, new styling of the exterior, interior parts and lighting. I wouldn't install older parts from the 2008 on your vehicle. Look for another 2011 to 2016 if you want used OEM parts. Does the 2008 both have the same engine as the 2011? If so you might be lucky that it shares some parts. Your best bet is selling the 2008, used car prices are at their highest right now.