5W-30 High Mileage Conventional Motor Oil (1 Quart)
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Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart)

Part No. 550022838 Warranty Details  
Pennzoil High Mileage 5W30 Conventional Vehicle Motor Oil is designed to actively clean and protect engines with more than 75,000 miles to maintain responsiveness.

Product Features:
  • Designed to actively clean dirt and contaminants from high-mileage engines and provide protection for worn engine parts
  • Enhanced with conditioning agents and additives; helps condition engine seals and prevent engine leaks and oil burn-off
  • Meets or exceeds requirements of API SM and prior API SL and SJ service categories
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ISO Viscosity Grade:5W-30
Type:Conventional
Volume:1 qt.

REVIEW SNAPSHOT®

by PowerReviews
Pennzoil5W-30 High Mileage Conventional Motor Oil (1 Quart)
 
4.8

(based on 731 reviews)

Ratings Distribution

  • 5 Stars

     

    (634)

  • 4 Stars

     

    (88)

  • 3 Stars

     

    (5)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (3)

99%

of respondents would recommend this to a friend.

Pros

  • Reduces wear (3)
  • Runs clean (3)

Cons

No Cons

Best Uses

  • Regular use (3)
    • Reviewer Profile:
    • Auto enthusiast (3)

Most Liked Positive Review

 

High Mileage Protection

Pennzoil High Mileage Motor Oil

This is one of Pennzoil's next generation high mileage engine oil. This is a conventional base stock engine oil with a special combination of unique conditioning agents and...Read complete review

Pennzoil High Mileage Motor Oil

This is one of Pennzoil's next generation high mileage engine oil. This is a conventional base stock engine oil with a special combination of unique conditioning agents and additives.
These additives are designed for vehicles with more than 75k miles. This oil is specifically developed to help stop and seal engine oil leaks as well as reduce oil consumption that is common with older high mileage engines.
Pennzoil High Mileage oil provides great engine protection while helping to dissolve and clean out the sludge buildup by keeping the contaminants in suspension until the next oil change.

This oil was a specific recommendation by the parts professional at my local store.

VS

Most Liked Negative Review

 

'99 LEXUS RX300 - 174K

Switched at 170K to Pennzoil 5W-30 High Mileage...

1) Up until 168K I had been using Pennzoil or Castrol synthetics.
2) I just changed at...Read complete review

Switched at 170K to Pennzoil 5W-30 High Mileage...

1) Up until 168K I had been using Pennzoil or Castrol synthetics.
2) I just changed at Toyota:
- plugs
- coils
- plenum gasket
- valve cover gaskets
- front VVT solenoid
- coolant
NOTE: Pictures of front valve-train show differential heating/drain-back of oil. Right-hand side to left (towards timing gear) the color is "med-amber" to "brown," no sludge, but some "crusting"; above average in cleanliness, BUT what appears to be a design error in even oil flow.

First highway trip after work by Toyota dealer engine used 3qt of Castrol 5W-30syn in 700mi. Stuck ring?! (Note: most it ever burned was 0.5-1.2qt synthetic in 3,000-3,500mi; have owned the little truck since 48K)

Post atypical oil consumption:
3) Put in Castrol 10W-60 syn...NO oil loss on road trip of 900mi. ZERO loss.
4) Followed with 4:1 Pennzoil 5W-30 High Mileage + Marvelous Mystery Oil.
(rolled around town for 1 week to clean out engine --first time)
6) Changed oil to correct weight & filter
(Penn 5W-30 High Mileage + Toyota factory filter as usual)
7) Second road-trip to same destination, 900mi...ZERO oil consumption.

NOTE: Toyota mechanic and I know the engine design and sludge problems associated with this engine class. My oil change interval since purchasing has always been 2,500-3,500mi. plus I change the coolant per the recommended time/mileage. Main engine seals replaced at 90K with timing belt. (Did not replace valve guide seals.)
MY MECHANIC (former NASCAR Master Tech, now with Toyoda'r, recommended switching to conventional high-mileage oil to see it is would solve the recent consumption. Switching to Pennzoil appears to have done just that --no consumption.

CAUTION: I have been told that once you switch to high-mileage oils to never switch to non-high-mileage oils. Apparently the oil seals once they "swell" need the additives to maintain that state.

Heck...Pennzoil High Mileage seems to work and it is totally inexpensive!
The Toyota oil filters are good for 7,500mi. I think I will just drop the oil every 2,000-2,500 at the local outdoor place before changing the filter at the 5K mark.
I am off the extreme long life of keeping my precious Red Line ester-based OR Pennzoil Ultimate synthetic oil in the pan for some extend period (which for me was 4K/oil change).
---I am just going to do the OCD guy-thing and change my oil every 2,000 with this Pennzoil. Why not?!!

-David in NC
3/2016

Reviewed by 731 customers

Displaying reviews 1-10

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4.0

good stuff

By 

from Wisconsin, United States

Comments about Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart):

Pennzoil last longer and looks cleaner between changes.

 
5.0

Will only use pennzoil in ...

By 

from Rockford, MI, United States

Comments about Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart):

Will only use pennzoil in any car I own. My car has lasted 200,000 plus miles .

 
5.0

Didn't break down

By 

from Eaton, OH, United States

Comments about Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart):

Been using it since buying my vehicle, just holds up longer than anything!

 
5.0

THE BEST THERE IS!!

By 

from VIRGINIA

Comments about Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart):

STARTED USING IT AT 75,000 . 200,000 LATER , STILL USING IT!

(2 of 2 customers found this review helpful)

 
5.0

Excellent color nice body

By 

from CT, United States

Comments about Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart):

Penzoil hi mileage is great stuff would definitely recommend.

 
3.0

Good stuff

By 

from Glasgow, KY, United States

Comments about Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart):

I use it all the time it works really good it lubes everything you want like you want it to

(2 of 2 customers found this review helpful)

 
5.0

Good oil I recommend

By 

from New Bedford, MA, United States

Comments about Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart):

Started using Pennzoil HiMi in my personal car and the difference was nearly instantaneous although Hemis are know to tick even when brand new this oil softened the tick and oil pressure ran much more in a range I liked. Being a mechanic and a auto repair shop owner that went from offering Valvoline to Pennzoil customers also notice the difference in their cars. Working on high end cars knowing their picky "oil choices" Pennzoil really works also if you own a Hemi V8 manufactured up to 2010 (example: 2000-2010) Do not use full synthetic ive seen plenty of Hemis come to an end early in life running synthetic I highly recommend Pennzoil Conventional and Conventional High Milage and all of Pennzoil motor oils

(3 of 3 customers found this review helpful)

 
5.0

great oil and the best

By 

from lenoir,north carolina

Comments about Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart):

i switched to pennzoil high mileage when you first came out with it several years ago,i have a 2002 chevy impala that has 207,000 miles and uses none between oil changes and always use your high mileage 5w30 for my car,nothing beats pennzoil for the best performance and and protection for my car i definetly recommend it for everyone with a vehicle with high mileage

 
4.0

i trust Pennzoil over ...

By 

from Troup, Tx.

Comments about Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart):

i trust Pennzoil over almost anything I can think of. I just do not understand advertising the 20 weight oil for autos over 75,000 miles. With that much engine wear, I want something with a t least a 30 weight. I am not talking 10 W 30 either.

(4 of 4 customers found this review helpful)

 
3.0

'99 LEXUS RX300 - 174K

By 

from NC

Verified Buyer

Comments about Pennzoil 5W-30 High Mileage Conventional Motor Oil (1 Quart):

Switched at 170K to Pennzoil 5W-30 High Mileage...

1) Up until 168K I had been using Pennzoil or Castrol synthetics.
2) I just changed at Toyota:
- plugs
- coils
- plenum gasket
- valve cover gaskets
- front VVT solenoid
- coolant
NOTE: Pictures of front valve-train show differential heating/drain-back of oil. Right-hand side to left (towards timing gear) the color is "med-amber" to "brown," no sludge, but some "crusting"; above average in cleanliness, BUT what appears to be a design error in even oil flow.

First highway trip after work by Toyota dealer engine used 3qt of Castrol 5W-30syn in 700mi. Stuck ring?! (Note: most it ever burned was 0.5-1.2qt synthetic in 3,000-3,500mi; have owned the little truck since 48K)

Post atypical oil consumption:
3) Put in Castrol 10W-60 syn...NO oil loss on road trip of 900mi. ZERO loss.
4) Followed with 4:1 Pennzoil 5W-30 High Mileage + Marvelous Mystery Oil.
(rolled around town for 1 week to clean out engine --first time)
6) Changed oil to correct weight & filter
(Penn 5W-30 High Mileage + Toyota factory filter as usual)
7) Second road-trip to same destination, 900mi...ZERO oil consumption.

NOTE: Toyota mechanic and I know the engine design and sludge problems associated with this engine class. My oil change interval since purchasing has always been 2,500-3,500mi. plus I change the coolant per the recommended time/mileage. Main engine seals replaced at 90K with timing belt. (Did not replace valve guide seals.)
MY MECHANIC (former NASCAR Master Tech, now with Toyoda'r, recommended switching to conventional high-mileage oil to see it is would solve the recent consumption. Switching to Pennzoil appears to have done just that --no consumption.

CAUTION: I have been told that once you switch to high-mileage oils to never switch to non-high-mileage oils. Apparently the oil seals once they "swell" need the additives to maintain that state.

Heck...Pennzoil High Mileage seems to work and it is totally inexpensive!
The Toyota oil filters are good for 7,500mi. I think I will just drop the oil every 2,000-2,500 at the local outdoor place before changing the filter at the 5K mark.
I am off the extreme long life of keeping my precious Red Line ester-based OR Pennzoil Ultimate synthetic oil in the pan for some extend period (which for me was 4K/oil change).
---I am just going to do the OCD guy-thing and change my oil every 2,000 with this Pennzoil. Why not?!!

-David in NC
3/2016

Displaying reviews 1-10

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