Mix graham crumbs, 1/4 cup sugar, butter and 1/2 tsp. cinnamon; press onto bottom of 13x9-inch pan. Bake 10 min.
Beat cream cheese, vanilla, remaining sugar and cinnamon in large bowl with mixer until blended. Add sour cream; mix well. Add eggs, 1 at a time, beating on low speed after each just until blended. Stir in carrots; spread over crust.