With the Hyundai Azera garnering most of the attention, Kia's Amanti may just be the most sensible premium sleeper sedan on the market thanks to significant improvements such as a lighter chassis, more robust powertrain, enhanced sheetmetal and upgraded interior. Indeed, the Amanti looks like it's growing up into a smart buy for shoppers who want something a bit more than what a mainstream sedan offers.

Photos courtesy of Ron Perry, Kia Motors of North America