It's An August Sales Shocker From GM! Monthly Sales Up 5.3%, Truck Sales Up 14.9%Ray Wert9/04/07 1:50pmFiled to: Sales2007AugustGmIndustry NewsSales Figures20EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkThis image was lost some time after publication. We were just going to do one of those little quicklink things, but GM's got an August sales shocker going on! Overall vehicle sales are up 5.3% — beating the street expectation of 4% lower sales this past month. But the biggest news of all is that trucks are up almost 15% — yup, even with high gas prices. We hear GM CEO Rick Wagoner's standing atop the RenCen in Detroit yelling "Suck on that one, Toyota!" Full press release below the jump.