Saw on this link to GM's 2006 fleet catalog that the 2.5L in the Linear will be bumped up 10HP. Should help that car out a bit.
http://www.gmfleet.com/us/acquiring/vehicinfo/summaries/2006/2006_GM_Car_Truck_Guide.pdf
http://www.gmfleet.com/us/acquiring/vehicinfo/summaries/2006/2006_GM_Car_Truck_Guide.pdf