I sue this oil on my own cars and my costumers cars and Im so happy how works

After running Pennzoil my engine seems to run quieter doesn't have that whiny sound...

I used this for my Toyota minivan, and worked fine without any problems.

I have only used Pennzoil . 10w30 in my truck and it is now 20 years old and runs just fine

This is great quality oil. The only kind I use on my vehicles

I love pennzoil! I use it in my honda engine and in the transmission aswell.

I use this oil on all my cars I have been using it for around 25 year's now with out fail

I've been buying and using Pennzoil since I was 16 and am very pleased with this product.

[This review was collected as part of a promotion.] From the time I could drive, to 2015, This product has proven to be the best. Period

[This review was collected as part of a promotion.] Pennzoil is the best and only oil I buy.. I use it in my race car also