The Altima has long been Nissan's practical mid-size contender, the kind of sedan that quietly racks up kilometres while keeping its occupants comfortable. This 2015 model comes from a generation that leaned into fuel efficiency and all-day commuter comfort, with those famously supportive "zero gravity" front seats that make long highway stretches a little easier on the back. Powering this one is Nissan's 2.5L four-cylinder gasoline engine, the workhorse of the Altima lineup. It's a naturally a...