[This review was collected as part of a promotion.] I had this oil installed into my vehicle with an oil leak and 200k + miles on it. I like it because it has burned a whole lot less so I don't have to top off as often.

[This review was collected as part of a promotion.] Always use high miles pannzoil for my 05 Malibu. I did feel a difference when I switch oil once my car got over 150000 miles on it. You guys are my number one choice

[This review was collected as part of a promotion.] Ive owned my 1963 Chevy with a 283 since 1974. I use Pennzoil exclusively ever oil change. I am sure these regular oil changes have added years to the life of my engine.

[This review was collected as part of a promotion.] I use it both of my cars one has over 2 hundred thousand miles and the other has 1 hundred thousand miles

I only use Pennzoil High Mileage. I have a 99 Dodge Neon with 99,000 miles on it. This oil get the,job done, I love the quality of this oil and only trust Pennzoil!

[This review was collected as part of a promotion.] I have a 93 Cherokee with 300.000 thousand miles on it, and this product has seemed to save my bacon!!!

[This review was collected as part of a promotion.] My car needs conventional oil and Pennzoil is my best option. Ever since I changed over, my car hasn't had any oil issues and keeps my car running smooth.

[This review was collected as part of a promotion.] I've always used this for my little beater cars! BUT, I also now use it in my cars that we have loved to high mileage. best performance. plus, I loved the Kevin Harvick commercials. ..miss them

[This review was collected as part of a promotion.] During some engine work was pleased how clean the insides were. There wasn't the sludge build up I have had in other engines.

[This review was collected as part of a promotion.] Tried this oil in our daily driver after using Castrol forever and was not disappointed. We have a new oil for the Gilmobile!