Best thing to do is do the math, and see which saves your more money monthly, and in the long run.
on a $24,000 loan (titanium MSRP, according to the build a ford thing), according to a loan calculator, a 60 month loan with 5% interest will cost you $27446, which means you pay $3,446 in interest, if my math is correct. I think typically the 0% apr is the better deal, if you can qualify for it.
but take the time to do the math for what works for you.
Defending the reputation of the red-headed step-child of the focus world for far too long.