2013 Jeep Grand Cherokee Body Structure in Extrication, Special Operations April 8, 2013 Comments Off on 2013 Jeep Grand Cherokee Body Structure Quick look at the 2013 Jeep Grand Cherokee Body Structure. The Grand Cherokee has an extensive use of high-strength and ultra-high-strength steel in the body structure. Body Structure Extrication Jeep Safety Vehicle Extrication 2013-04-08 Smitty