Reviews of Castrol engine oil

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Based on 538 reviews and 1656 votes

1656 votes

Average rating ? The average rating is calculated based only on review ratings, excluding votes
4.3
Exhaust smoke:
4.0
Warning light:
4.4
Engine noise:
4.2

538 reviews

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Castrol
Germany
No.3 in the rating

among 32 manufacturers

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Castrol Engine oil

To that statement you should also add German made Castrol Syntec 0W-30, an oil that not only meets the 502.00 oil spec, but the far more stringent 503.01 spec as well.

Pros: meets 502.00, 503.01 spec
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Castrol Engine oil

I've topped off with Castrol Syntec 5/40. The cap says Castrol on it and the manual says to use VW approved synthetic 5/40 so I figure I can't do better than that.

Pros: VW approved
Cons: Finding the stuff is kinda hard
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Castrol Engine oil

You probably don't \"need\" syn, but its a darn good idea, esp if you want to run 5000k ocis with urban driving and/or want to keep the car for a long time. If you do stick, with conventional, which i don't recommend, make sure its better stuff like Castrol GTX.

Pros: darn good idea
Cons: not recommended
Mileage: 5000 km
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Castrol Engine oil

I run either 0w40 castrol full syn or 0w40 pentosyn in all my cars. After changing oil every 1000miles for 5oil changes and ever 3k after that my old corolla looked like a brand new engine inside with 125k on it when I pulled the valve cover to do a t-belt.

Pros: engine looked brand new
Mileage: 201150 km
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Castrol Engine oil

I put mine in around 20k. The first change I did - it had 2 small metal shavings. I got very nervous. Ever since then there has been the powder you have in the pic above. Sometimes more sometimes less. The 2 times I have used Castrol I found more than other times (This could mean it protects less or that it carries the particles better than other oils). I will only become worried when I start seeing shavings. To me it's only an additional monitoring system. Like in a tranny - powder is ok, but shavings mean save up some cash. oh and my car is now at 125k.

Pros: additional monitoring system
Cons: metal shavings initially
Mileage: 125000 km
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Castrol Engine oil

For some odd reason it seems that mobil 1 iron numbers are a bit higher in the 1.8T. I switched to Castrol Syntec 0w-30 and my iron numbers went down.

Pros: iron numbers went down
Cons: fuel dilution went up
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