2007 Ford Focus SE manual 2.0 L 50,000 miles
I currently have AMSOIL Signature Series Full Synthetic. It claims to be a 25,000 mile oil, but I changed it out at 39,840 miles back on 9/24/2011. Probably a bit too long to go, eh? Since then, I lost my job, spent six months as a stay-at-home...