You can trust the PENNZOIL yellow bottle..clean, efficient , cost effective , best performance oil made for every car. Make sure you always ask for PENNZOIL BY NAME, YOU WILL GET THE BEST!!!

[This review was collected as part of a promotion.] When this is in my engine I breath easy knowing I'm safe. Have trusted Pennzoil for years don't plan on stopping now.

[This review was collected as part of a promotion.] I just got a new car and decided to try pennzoil and so far it works amazing in my car and has helped me get better fuel economy then I thought

[This review was collected as part of a promotion.] You know I've always used Penzoil in my vehicles simply because there's oil and then there's Penzoil. Nuff said.

[This review was collected as part of a promotion.] I use this oil in my lawn equipment and it truly handles the abuse of what are some of the most neglected engines that people use.

[This review was collected as part of a promotion.] when changing oil , always been my go to brand ,local auto parts store always has in stock , trusted it for years and still will for years to come .

When i bought my first product from penzoil i wasnt sure about it. I noticed that the oil is cheaper than most and is the most reliable oil i have put it my car! I wont use anything else

[This review was collected as part of a promotion.] I have used this in my speint car with great results. Recommended by my engine builder. Keep up the good work

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

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