Quote Originally Posted by Raza View Post
It's definitely not a 5, and it is a 1.4L I4, but I think it's built by Chrysler. At least it used to be.
99% sure it is a Fiat built motor. The Multiair is a Fiat motor. http://www.fiatusa.com/en/abarth/performance/#

The Dodge Dart uses a combination of Fiat and Chrysler built motors.