The 2008 Saturn VUE Green Line Hybrid is an SUV. It gets an estimated 25 mpg in the city and 32 mpg on the highway. The base MSRP is $24,795.
The 2008 Saturn AURA Green Line Hybrid is a midsize sedan. It gets an estimated 24 mpg in the city and 32 on the highway, very similar to the VUE. The base MSRP is $22,790.
Saturn prides itself in offering the some of the lowest priced hybrid models in their respective classes.
This video describes the basics about hybrid cars and then goes into detail about Saturn hybrid models (click on the play button below the screen):