Chevy's popular Impala was one of America's top 10 vehicles in sales during the 2006 model year and continued to attract more customers through'07 - including a nearly 44-percent jump in February'07 alone. Indeed, the Impala's combination of chiseled style, generous room, sporty driving characteristics and value answers the needs of a broad range of drivers. The 2008 Impala reinforces the brand's value story with new features and revisions that add to its safety and efficiency,...