Hmmm, both are good! For the le$$ money, I'd take the QSUD just because all of my cars seem to like QS oils.
You make the choice!
I believe here at BITOG, PP has the edge(no pun) over QSUD.
I also think that Pennzoil oils have a $10 Rebate right now from AutoZone(if they're in your area), which may help the price get closer to the QSUD. But, AZ prices are quite high!