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Spare parts reviews ➔ All comparisons ➔ PENNZOIL ➔ IDEMITSU

Engine oil PENNZOIL or IDEMITSU

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PENNZOIL
IDEMITSU
IDEMITSU › Engine oil
Possible-Aerie-8828
  • Engine noise:
Rating 5.0

I buy 5 OE Toyota filters at a time from Amazon ( approximately $6 ea ) Purchase Ow-20 Idemitsu oil from NAPA ( ships free to my home ) in the cost saving 6gal box ( 24 qts ) for about $125 with their online coupon. Use this in both my Avalon and my Tundra- both run like a dream.

Pros: cars run like a dream, cost-saving
Vehicle: Toyota Avalon
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PENNZOIL › Engine oil
ZovioTV
Rating 5.0

I use PUP 0w20 in mine. Lots of tests and UOA show that Pennzoil Ultra Platinum is the best non-boutique oil you can buy. But honestly any top shelf oil will work. 5k km intervals are more important than brand with a turbo engine.

Pros: best non-boutique oil
Vehicle: Toyota
Mileage: 5000 km
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PENNZOIL › Engine oil
Furious_Anger_666
  • Engine noise:
Rating 5.0

Do her a favor a change the oil, with Valvoline Restore and Protect or Pennzoil Ultra platinum, it will quite down a little and it would be great for the car.

Pros: great for the car
Cons: requires oil change
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PENNZOIL › Engine oil
Billyzonka
  • Exhaust smoke:
Rating 5.0

Pennzoil Platinum Synthetic. My 1988 740 has near excellent compression at 245k og miles.

Pros: excellent compression
Vehicle: Volvo 740
Mileage: 394275 km
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IDEMITSU › Engine oil
ExtraGlutenPlzz
Rating 3.0

So if you review the virgin oil analysis database, it includes idemitsu 0w-20 and 5w-30 and for both, the TBN is rather weak in comparison to other more readily available blends, also, the viscosity at 9.5 cSt for a 30w, some 20w come close to that. Does any of that matter? Not a whole lot, but it shows that there's nothing special about the oil. Generally speaking, higher TBN is better.

Pros: nothing special about oil
Cons: TBN is rather weak
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Which engine oil to choose — PENNZOIL or IDEMITSU?

If choosing engine oil across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.

We compare engine oil across these categories:

Comparison of engine oil PENNZOIL and IDEMITSU
  1. PR Score.
  2. Overall ranking.
  3. Vote balance.
  4. Average rating.
  5. Number of reviews.
  6. Feature ratings.
  7. Car owners’ choice.

Which engine oil are better — IDEMITSU or PENNZOIL?

In March 2026 on PartReview, engine oil IDEMITSU and PENNZOIL were roughly equal.

  1. PENNZOIL received a PR Score of 93 out of 100, and IDEMITSU scored 97 points.
  2. PENNZOIL ranked 8 in the overall ranking, and IDEMITSU ranked 14.
  3. The average rating is higher for IDEMITSU (4.8) than for PENNZOIL (4.5).
  4. Engine oil IDEMITSU have better feature ratings than PENNZOIL:
    • Warning light - owners believe, that this property for PENNZOIL is better than IDEMITSU.
    • Exhaust smoke - drivers claim, that this property for IDEMITSU is outperforms PENNZOIL.
    • Engine noise - reviews suggest, that this property for IDEMITSU is preferred to PENNZOIL.

Which engine oil are more popular — PENNZOIL or IDEMITSU?

In March 2026 on PartReview, engine oil PENNZOIL were overall more popular than IDEMITSU.

By vote balance, engine oil PENNZOIL surpassed IDEMITSU:

  • For PENNZOIL, the ratio of positive (648) to negative (45) votes is 603 votes.
  • For IDEMITSU, the ratio of positive (83) to negative (2) votes is 81 vote.

By number of reviews, engine oil PENNZOIL surpassed IDEMITSU:

Which engine oil do car owners prefer — PENNZOIL or IDEMITSU?

In March 2026, according to PartReview, engine oil PENNZOIL and IDEMITSU have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.

Other comparisons of engine oil

If this comparison didn’t fully answer your question, there are many others on PartReview.

For example, comparisons of engine oil PENNZOIL with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, VALVOLINE, RED LINE, OEM Toyota, Mannol.

Also available: comparisons of engine oil IDEMITSU with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, VALVOLINE, RED LINE, OEM Toyota, Mannol.

You can also see who is better among other engine oil manufacturers: Mobil or Castrol, Mobil or LIQUI MOLY, Mobil or MOTUL, Mobil or Shell, LIQUI MOLY or Castrol.

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