I use this stuff in my car.it started knocking 6months back.now my car runs great, and i think it will be the only oil I'll use from now on..

[This review was collected as part of a promotion.] I always buy any pensoil product protect the engine

[This review was collected as part of a promotion.] We just did an oil change on my car a couple of weeks ago, wouldn't use anything but Penzoil

i have a 95' geo tracker 5spd. it has ben on running high mileage for years. no engine noises or leaks. this stuff works great. does was it says.

I've used many oils. This is a great long lasting oil. I can wait past 3000 miles and it still works great.

[This review was collected as part of a promotion.] Always put it in my truck and brings out the best in it

Bought a month or so ago and has seemingly helped my '05 higher mileage vehicle last longer and run more efficiently.

[This review was collected as part of a promotion.] Best oil i have ever use and will continue using. A++++

[This review was collected as part of a promotion.] This is what my husband sends me out to get to put in our vehicles.

I travel alot , so the miles rack up . When your car has high miles it needs protection and there is none better than Pennzoil high mileage