At first glance, the muscular XUV500 SUV and the MPV-esque Tata Aria look as different as apples and oranges. But it is under the bonnet that differences start to become more pronounced. While the XUV500 is built on a monocoque chassis with a transversely mounted engine, the Aria has a conventional body-on-frame construction with a longitudinally placed motor.The target customer though is the