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Spare parts reviews ➔ All comparisons ➔ IDEMITSU ➔ ROWE

Engine oil IDEMITSU or ROWE

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IDEMITSU
ROWE
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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IDEMITSU › Engine oil
random-guy1947
Rating 4.0

This is normal. Wait till it gets below 1k rpm. Modern engines do not need a lot of time to idle after cold start, the ECU handles it. Although, for a few kilometres, do not push very hard. The engine oil (0w-20 idemitsu) is thin, and needs time to lubricate well.

Pros: thin, needs to lubricate
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IDEMITSU › Engine oil
NefariousN1nja
Rating 5.0

Switch to Idemitsu ( Japanese oil ) - Manufacturers for genuine and even does factory fill for many, they are very premium oils with starting segment already beating the top shelf of alternative brands.

Pros: premium oils, beating alternative brands
Vehicle: Toyota
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ROWE › Engine oil
ShoobieDoobie33
Rating 5.0

As soon as my warranty is up on my SQ5 in November, I'll be going to Rowe Hitech Synth RS 5w-40. One of the very few true synthetic PAOs out there and on par with LiquiMoly pricing (USP Sells it w/free shipping).

Pros: true synthetic PAO
Vehicle: Audi SQ5
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ROWE › Engine oil
Eagleyendsky67
Rating 4.0

Not really . My tuner (jackal motorsports) recommends Rowe RS synthetic oil . Currently using LM molygen , it's ok but apparentlyThe RS is the best stuff

Pros: high quality oil
Cons: just ok
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IDEMITSU › Engine oil
steptimeeditor
Rating 5.0

Idemitsu is responsible for the oil that powered the Mazda 787b; they know the rotary like no other. I exclusively use their synthetic 20w50 and premix.

Pros: knows rotary like no other
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IDEMITSU › Engine oil
Re_Thought
Rating 5.0

Regarding brands, if you want to stick with factory oil without dealer price, Idemitsu is the brand to get. I emailed Mazda corporate and they said Idemitsu is the OEM for their oil.

Pros: OEM for Mazda oil
Vehicle: Mazda 3
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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 — IDEMITSU or ROWE?

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 IDEMITSU and ROWE
  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 — ROWE or IDEMITSU?

In March 2026 on PartReview, engine oil IDEMITSU were overall better than ROWE.

  1. IDEMITSU received a PR Score of 97 out of 100, and ROWE scored 90 points.
  2. IDEMITSU ranked 14 in the overall ranking, and ROWE ranked 26.
  3. The average rating is higher for IDEMITSU (4.8) than for ROWE (4.3).
  4. Engine oil IDEMITSU have better feature ratings than ROWE:
    • Engine noise - owners believe, that this property for IDEMITSU is better than ROWE.
    • Exhaust smoke - drivers claim, that by this property IDEMITSU does not differ from ROWE.
    • Warning light - reviews suggest, that this property for ROWE is preferred to IDEMITSU.

Which engine oil are more popular — IDEMITSU or ROWE?

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

By vote balance, engine oil IDEMITSU surpassed ROWE:

  • For IDEMITSU, the ratio of positive (83) to negative (2) votes is 81 vote.
  • For ROWE, the ratio of positive (37) to negative (4) votes is 33 votes.

By number of reviews, engine oil IDEMITSU surpassed ROWE:

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

In March 2026, according to PartReview, engine oil IDEMITSU and ROWE 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 IDEMITSU with: Mobil, Castrol, LIQUI MOLY, MOTUL, Shell, AMSOIL, VALVOLINE, PENNZOIL, RED LINE, OEM Toyota.

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

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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