[This review was collected as part of a promotion.] Been using in my 2013 Chevy truck since new and oil still looks new

[This review was collected as part of a promotion.] Used pennzoil oil for years never a engine problem

[This review was collected as part of a promotion.] This is our "go to" oil. I can't imagine using anything else.

[This review was collected as part of a promotion.] I always buy this brand. My dad bought it when I was learning to drive, now I do.

[This review was collected as part of a promotion.] My car is in such bad shape, it does not matter which oil I use. This one works great!

[This review was collected as part of a promotion.] Classic product that never fails. No need to look elsewhere

[This review was collected as part of a promotion.] Use this in all my engines. In my opinion it's the on the market.

[This review was collected as part of a promotion.] I have been using it for years 40+ years with great performance

[This review was collected as part of a promotion.] I always use this oil and tell everybody how good it is

[This review was collected as part of a promotion.] I have used pennziol for years in all our vehicles