Engine oil Castrol or OEM Audi

PartReview Score

Rank #3 in ranking

1340

472

538

4.3

Engine noise

4.2

Exhaust smoke

4.0

Warning light

4.4

Owners' choice:

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

Rank #32 in ranking

3.7

Engine noise

4.0

Exhaust smoke

2.5

Warning light

5.0

No data

Reviews

All

Castrol

OEM Audi

Castrol › Engine oil

poodrew 31 Jan 2026, 16:28

Rating 5.0

Castrol EDGE Euro is also VW 508 spec.

Castrol › Engine oil

PoccaPutanna 31 Jan 2026, 14:32

Rating 5.0

The mechanic is absolutely wrong. You must use a 5W-40 C3 oil with the Fiat 9.55535-S2 specification, I use the Castrol Magnatec 5W-40 C3, which is cheap and easy to find, but any other brand with the correct specification is fine. A 0W-20 oil has insufficient pressure and film strength, and will lead to damage over time.

Pros: cheap and easy to find

Cons: insufficient pressure, damage over time

Vehicle: Fiat

Castrol › Engine oil

Sea-Cantaloupe7760 24 Jan 2026, 12:53

Rating 5.0

I have a 450k km 1.9 tdi, and a 300k km 1.6 tdi, i always use 5w30 castrol, no issue.

Pros: no issue

Mileage: 450000 km

Castrol › Engine oil

ErebusXVII 23 Jan 2026, 14:47

Rating 4.0

I would only suggest using \"premium\" oil brands, like Castrol or Elf, in correct specification.

Pros: premium oil brands

Castrol › Engine oil

Adventurous-Dealer15 23 Jan 2026, 03:25

Engine noise:

Rating 5.0

Castrol Power1 is really good though

Pros: really good

Vehicle: Suzuki

Castrol › Engine oil

_Chill_Winston_ 22 Jan 2026, 14:50

Rating 4.0

I change the oil myself...to ensure it's done correctly and with quality oil (I use Castrol Edge). And I go by the oil minder. I do smell gas during oil changes but it's not strong and never in the cabin between oil changes as some have reported.

Pros: quality oil, done correctly

Cons: smell gas during changes

Vehicle: Honda

Mileage: 60000 km

Castrol › Engine oil

Ube2fresh 14 Jan 2026, 23:01

Engine noise:

Rating 5.0

I have a 2010 civic si, I use shell rotella T-6 5w-40 due to burning issues and one quart of Castrol 5w-30 high mileage full synthetic (I’m picky lol- but my car runs smooth and has consistent oil levels on the dipstick through the weeks after oil change)

Pros: car runs smooth

Cons: burning issues

Vehicle: Honda Civic

Castrol › Engine oil

AutoX_Advice 12 Jan 2026, 01:35

Rating 4.0

Buy Castrol Edge engine oil for your Mazda 2.5, but do get the Mazda transmission oil.

Pros: Castrol Edge engine oil

Vehicle: Mazda

Castrol › Engine oil

MrPlake 20 Oct 2025, 01:19

Engine noise:

Rating 3.5

Castrol is fine

Pros: fine

Vehicle: BMW

OEM Audi › Engine oil

hockeyfan-77 28 Nov 2025, 16:07

Exhaust smoke:

Rating 1.0

Had a Q5 and it was a money pit. Oil Consumption got so bad I was putting in a quart every 400 miles.

Cons: oil consumption bad

Vehicle: Audi Q5

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Which engine oil to choose — Castrol or OEM Audi?

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 Castrol and OEM Audi

PR Score.
Overall ranking.
Vote balance.
Average rating.
Number of reviews.
Feature ratings.
Car owners’ choice.

Which engine oil are better — OEM Audi or Castrol?

In March 2026 on PartReview, engine oil Castrol were overall better than OEM Audi.

Castrol received a PR Score of 90 out of 100, and OEM Audi scored 73 points.
Castrol ranked 3 in the overall ranking, and OEM Audi ranked 32.
The average rating is higher for Castrol (4.3) than for OEM Audi (3.7).
Engine oil Castrol have better feature ratings than OEM Audi:
- Engine noise - owners believe, that this property for Castrol is better than OEM Audi.
- Warning light - drivers claim, that this property for OEM Audi is outperforms Castrol.
- Exhaust smoke - reviews suggest, that this property for Castrol is preferred to OEM Audi.

Which engine oil are more popular — Castrol or OEM Audi?

In March 2026 on PartReview, engine oil Castrol were overall more popular than OEM Audi.

By vote balance, engine oil Castrol surpassed OEM Audi:

For Castrol, the ratio of positive (1498) to negative (157) votes is 1341 vote.
For OEM Audi, the ratio of positive (65) to negative (23) votes is 42 votes.

By number of reviews, engine oil Castrol surpassed OEM Audi:

For engine oil Castrol there are 538 reviews: 472 positive, 41 neutral, 25 negative.
For engine oil OEM Audi there are 27 reviews: 17 positive, 7 neutral, 3 negative.

Which engine oil do car owners prefer — Castrol or OEM Audi?

In March 2026, according to PartReview, engine oil Castrol led more car-specific ratings than OEM Audi:

Castrol are chosen by owners of cars such as: Skoda Octavia, Audi A6, Audi A7, Audi TT RS, Ford Explorer, Volkswagen Beetle, Volkswagen Corrado, and others.

Engine oil OEM Audi have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.

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 Castrol with: Mobil, LIQUI MOLY, MOTUL, Shell, AMSOIL, VALVOLINE, PENNZOIL, RED LINE, OEM Toyota, Mannol.

Also available: comparisons of engine oil OEM Audi with: Mobil, LIQUI MOLY, MOTUL, Shell, AMSOIL, VALVOLINE, PENNZOIL, 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.