Guys ano ba sa tingin nyo ang mas reliable sa dalawa?

2012 Ford Ranger (2.2 XLT MT) VS 2012 Chevrolet Colorado (2.8 Duramax MT)

I'm planning to buy a pick-up this December and I'm torn between the two. I also want to know realiability issues sa dalawang automakers na yan.

All your inputs will be highly appreciated!