[This review was collected as part of a promotion.] I bought this oil about 2 months and have driven about 1200 miles. I can't believe the oil is still clean. Thanks Pennzoil

[This review was collected as part of a promotion.] I use this every single oil change in my 96 f150 with 244,000 miles. It helps it keep running smooth.

[This review was collected as part of a promotion.] My last tune tune i have gotten better milage on my 02 jeep liberty and it has been a smoother ride

[This review was collected as part of a promotion.] This oil works great for my car. I never worry my engine running well when I have this oil in the car.

[This review was collected as part of a promotion.] I have a 1996 Saturn with oil consumption issues and I always put Pennzoil HM in my engine. Keeps it running like new every day.

[This review was collected as part of a promotion.] This is all I buy used cheap oil one time and threw a rod before my next oil change wont ever use another

I bought my jeep wrangler with over 200k miles on it. I have been running Pennzoil high milage since that day, and it has breathed new life into the motor.i hope to keep it going for another 200k and have no doubt that with this oil it will!

[This review was collected as part of a promotion.] I use this every time I change the oil in my vehicles as they are all 150,000+ miles and it always serves me well. great product and I am a forever customer

this is the perfect oil for my cars. Those cars that high performance needs a good oil and this is it!! All I use! stands up great for hot burning cars like mine. protects my engine and that is what oil should do

[This review was collected as part of a promotion.] I've been using this oil for the last few years, last few cars were older and had lots of mileage, I found this to work the best