[This review was collected as part of a promotion.] I have been using this product since I started driving in 1978. Cars from 1964 El camino to 2014 Fiat .

[This review was collected as part of a promotion.] I've used this oil my last two oil changes and I've to say I'm can really tell a difference in my vehicle. I'm very happy with your product.

[This review was collected as part of a promotion.] this yellow bottled conventional pennzoil is easy to spot on the shelve and always available. other types are not always stocked

Since I was sixteen and driving , My dad used Pennzoil and it has always protected our engines. Never used anything else. In our family Motor oil and Pennzoil mean the same.

[This review was collected as part of a promotion.] I have been using this brand of oil for years even my parents and grandparents were using it.. why use anything else!

[This review was collected as part of a promotion.] I have always trusted Pennzoil oil. We have used it and it has proven itself time and time again. The name says it all!

[This review was collected as part of a promotion.] We use this in all our vehicles at work and we love it! We have 5w20 and 10w30 and over 40 vehicles in the fleet that run this product and have yet to have an issue!

[This review was collected as part of a promotion.] Growing up I was raised with Pennzoil being the only thing my Dad would use on all his cars and truck. I use it still today because like my Dad I can always depend on Pennzoil.

I got an old 65 Chevy c10 with a 396 stuffed in there and I only trust the best.!! That pennzoil motoroil is what works flows in my Frankenstein.!!!! " it's alive."""!!!!!

[This review was collected as part of a promotion.] I run Pennzoil in my 2003 Acura tl type s it has 181000 miles runs great no mechanical problems. I bought the oil at AutoZone about 5 months ago