The 2014 Impala will move to a longer version of GM's front-wheel-drive Epsilon platform, which also underpins the Buick LaCrosse and upcoming Cadillac XTS.
With the 2014 Chevy Impala, GM aims to grab retail market share from the Ford Taurus, Nissan Maxima, Toyota Avalon and others in a large-sedan market that's been shrinking for years.