[This review was collected as part of a promotion.] Used for 225,000 miles with no oil related issues and zero oil consumption

[This review was collected as part of a promotion.] I've have used this oil since I bought my first car and I put it in all the vehicles I work on

Have used Pennzoil for many years in all mt vehicles. Love the way iut keeps my motor looking clean inside

[This review was collected as part of a promotion.] I use the conventional oil in my daily driver. Never an issue.

[This review was collected as part of a promotion.] had an oil change done bout a month ago man what a difference.

[This review was collected as part of a promotion.] Why change. good thing, it has been keeping cars running for decades

[This review was collected as part of a promotion.] I always use this oil in my car's. I believe it makes it run better and longer.

I always use this in my car. I don't do it myself, but I make sure where I go only uses Pennzoil so I know that's what is in my car!

[This review was collected as part of a promotion.] Make engines run longer and keeps everything lubed well and clean.

[This review was collected as part of a promotion.] been using your oil since my frist car t 16 years old