In 2010, the Infiniti G sedan line expanded with the addition of the 2.5-liter, V6-equipped G25 sedan. This year, Infiniti will develop the line further by concentrating on redesigning the Limited Edition and Sport Appearance Edition models. Let's start by taking a look at the refined Infiniti G37 Limited Edition.

The 2012 Infiniti G37 Limited Edition is a little more traditional, exchanging last year's Monaco Red interior for a sleek...