The Pontiac G6 lineup has been expanded for 2006. A sleek two-door coupe and a dramatic folding hardtop convertible join the attractive four-door sedan that was launched as an all-new nameplate for 2005.The mission of the G6 is to beat the Honda Accord, Nissan Altima and Mazda6 on value, a proposition bolstered by GM's lower prices for 2006. While the G6 doesn't offer the refinement or attention to detail of its Japanese rivals, it's an alternative worth considering for shoppers in the mid-size car market. (The G6 replaces the Grand Am, which has been discontinued.)Click here to read more