Had a 2002 explorer, in which timing chain guides are KNOWN to go very bad, causing catastrophic failure. Always used high mileage penzoil and have now doubled the mileage that most people's break at!! Extremely satisfied with this product!

[This review was collected as part of a promotion.] Penzoil seemed to be the only oil that would help with dry start ups in my older vehicles. Now I run it in my new vehicles

[This review was collected as part of a promotion.] I used the SAE 30 in my generator that ran for extended hours during power outages. I'm thinking i change from my current brand to this High mileage oil.

[This review was collected as part of a promotion.] Been using this oil ever since I started changing my woman's 02 Expo with high mileage! Barely burns the oil & nice to know it helps clean the engine :D

I was told by my father as a small child you'll never get any better then pennzoil and still to this day when I change my oil it's the oil I grab first thing I honistly believe it's the best oil out there.

[This review was collected as part of a promotion.] Love the high millage Pennzoil motr oil i drive a 79 chevy truck. It has served me well. I only use Pennzoil motor oil..great product

[This review was collected as part of a promotion.] I started using only Pennzoil products and put lots of miles on my vehicle I chose the high mileage for the best performance.

I've been using this Pennzoil High Mileage oil in all 3 of my trucks for as long as I can remember! This works perfectly for me as my trucks are all at approximately 100k miles. And still going strong thanks to Pennzoil

[This review was collected as part of a promotion.] High mileage oil is just an awesome product for my car, I get better gas mileage and keep my engine just a purring. I can keep on traveling as long as keep using Pennzoil

[This review was collected as part of a promotion.] I have been using this for the last year in my 1998 Honda with 300,000+ milles and it has not let me down yet