Which car should I get?

The 2008 Grand Vitara: Standard with XM satelite Radio, Automatic lights and V6 engine
http://suzicare.com.au/images/Grand%20Vitara.JPG
or
The 2008 Jeep Compass: Standard with Mags, Mp3 Hookup and V4 engine
http://z.about.com/d/suvs/1/7/s/K/-/-/06JeepCompass.jpg
They are roughly the same price and the V6 engine is only a little bit more of gas guzzler, not by much, a couple gallons/litres more per tank
Let me know what you think