My '07 has 65K miles, so your new acquisition has spent some time sitting unused. 1500 miles per year is not much. chances are fuel has started to clog the injectors ans you're getting insufficient spray at the lower end of the spectrum. Try running some Techroline for a few tanks and see if it clears out and starts a little better.
It may be a pig, but it's a pig with a rocket in it's ass!