I have a set of H13 ultras in my Caravan that are going on 3 years with no problems and regular silverstar H4's in the Eclipse for over a year. I had major issues with the H1 silverstars for my old 2006 Mazda 6, I could never get over 6 months out of a silverstar H1 bulb.
2012 Nissan Rogue SV AWD 2.5 (Pennzoil Ultra 5w20)
2010 Dodge Grand Caravan 4.0 (Pennzoil Ultra 10w30)
2002 Mitsubishi Eclipse GS 2.4 (Pennzoil HM 5w30)