Engine oil PENNZOIL or AMSOIL

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PartReview Score

No.8 in the rating

602

214

3

13

230

4.5

Engine noise

4.4

Exhaust smoke

4.4

Warning light

5.0

Owners' choice:

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PartReview Score

No.6 in the rating

860

300

15

13

328

4.5

Engine noise

4.4

Exhaust smoke

3.9

Warning light

4.5

Owners' choice:

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PENNZOIL

AMSOIL

PENNZOIL › Engine oil

No-Guarantee-7458 14 Sep 2025, 20:03

Rating 4.5

I run pennzoil 5w30 ultra platinum. ... PUP is great for direct injected turbo. Anthony (Dmann) told me that PUP 5w30 is the way to go in western PA

Pros: great for direct injected turbo

PENNZOIL › Engine oil

clairvoyant5190 14 Sep 2025, 18:03

Rating 5.0

I've been using Pennzoil Ultra Platinum since the first change in my 2016. Prior to that, I used it exclusively in my RX-8 that made it to 154k on the original engine.

Pros: engine lasted 154k miles

Vehicle: Mazda

Mileage: 247837 km

PENNZOIL › Engine oil

coaudavman 14 Sep 2025, 15:42

Rating 5.0

Engine noise:

Original owner ran Pennzoil ultra platinum and that I got 289,000 miles on that engine and turbo before I had a shop rebuilt it.

Pros: engine lasted 289,000 miles

Vehicle: Subaru

Mileage: 465108 km

PENNZOIL › Engine oil

Mx_Hct 14 Sep 2025, 13:40

Rating 4.0

Warning light:
Engine noise:
Exhaust smoke:

Been running PU since with no problems.

Pros: no problems

AMSOIL › Engine oil

gte717v 13 Sep 2025, 16:06

Rating 4.0

I used Amsoil Signature when I was driving 1300 miles a week just so I could go two months between oil changes.

Pros: extended oil change intervals

AMSOIL › Engine oil

Asphalty 8 Aug 2025, 23:13

Rating 5.0

I change oil once per year, using a high-quality synthetic that meets specification 504. I generally drive 8 to 9 thousand miles per year. The maker of the oil I use (Amsoil) says to follow the car maker's change interval.

Pros: high-quality synthetic

Mileage: 8000 km

PENNZOIL › Engine oil

MrSkullKollektor 4 Aug 2025, 21:03

Rating 5.0

Penzoil the best!

Pros: the best

Vehicle: Saab

AMSOIL › Engine oil

Kedokatojix 4 Aug 2025, 17:01

Rating 5.0

For me at least, I use a 5w-30 Amsoil on my TLX Type S.

Vehicle: Acura TLX

AMSOIL › Engine oil

sitonhands 21 Oct 2023, 14:00

Rating 3.0

I just switched over to amsoil and my mpg went down marginally. Also using the PPE larger oil filter 10 micron filter.

Pros: larger oil filter

Cons: mpg went down

PENNZOIL › Engine oil

Independent-Bet5465 17 Oct 2023, 20:29

Rating 1.0

Engine noise:

I tried pennzoil and didn't like it. The engine developed a soft tick after about 3k miles. Went back to Castrol and the tick hasn't returned.

Cons: engine tick

Mileage: 3000 km

1 7 8 9 10 11 12 13 14 15 ... 56

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