[This review was collected as part of a promotion.] I have 2 cars and 1 truck all over 100.000 miles. It has improved oil pressure.

[This review was collected as part of a promotion.] I have used Pennzoil for as long as I've been wrenching on cars.... It's never left me down.

[This review was collected as part of a promotion.] I use this oil in customer vehicles, never have any issues

[This review was collected as part of a promotion.] I love it. some of the best oil for the price on the market

Bought this multiple times for my old car and was always nice and could notice when oil changes were done

[This review was collected as part of a promotion.] Never have had a problem with this product. Use it in my vehichles and it is always dependable.

I use this product everytime I change my oil, I have been using this product for about 2yrs I feel safe with this product in my truck

My 07 Lincoln just turned over 75,000 miles and I started using the Pennzoil high mileage stuff right away and I won't use another brand.

[This review was collected as part of a promotion.] great new, old,high mile ,less sludge and reduce leaks

[This review was collected as part of a promotion.] Makes my engine run smooth. I have 77000 on the engine and it works like new