CAN cars change, even when they are outwardly identical to their predecessors? The 159 Ti is a compelling example of small but meaningful improvements to a model that has disappointed us time and again since its 2006 launch in Australia. And while the raucous 2.4 JTDM turbo-diesel auto sedan under scrutiny here is certainly not without its problems and annoyances, the Italians have finally brought us a capable and likeable alternative to the many and varied $65,000 premium and luxury contenders out there.