[This review was collected as part of a promotion.] Purchased this for my older truck. Works great and keeps the engine clean inside.

[This review was collected as part of a promotion.] Great product I've been using it for about three or four years and its been great

[This review was collected as part of a promotion.] Love the preformance of the product for our high mileage vehicle

So happy with my blazer's engine performance after switching to Pennzoil High Mileage oil at my last oil change.

I've always used penzoil in my vehicles since I started driving. High mileage always works and performs great

[This review was collected as part of a promotion.] Great performance and it works so well in my vehicle.

[This review was collected as part of a promotion.] I'very been using this for 2 years and never had to add oil in between changes.

[This review was collected as part of a promotion.] I use it in my 95 jeep grand Cherokee it works great

[This review was collected as part of a promotion.] I use this in my chevy with 240,000 miles. Works great....

[This review was collected as part of a promotion.] I have 98 f150 232000 miles only use this oil.it keeps me running good lube