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

Description
Castrol
Germany
No.3 in the rating

among 32 manufacturers

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Castrol
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Castrol Engine oil

Castrol. I've just always used it. A bit of advice though, i'd recommend staying away from Pennzoil, I had to clean an engine out after using it. Nasty, waxy stuff.

Cons: nasty, waxy stuff
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Castrol Engine oil
Rating 5.0
  • Engine noise:

Just did a major service using castrol 10w40 Maganetec with new Iradium spark plugs etc. Car is super smooth & pulls strings & no overheating.

Pros: car is super smooth, no overheating
Mileage: 196339 km
Part number: 10W40 MAGNETEC
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Castrol Engine oil
Rating 5.0
  • Engine noise:

I recommend 5W40 Castrol Syntec! Here's why: Smaller numbers = thinner oil. The "W" means "Winter" - or the viscosity of the oil when the engine is cranking, and first warming up. The 5W oil is very thin when cold. The engine will crank faster, the pump primes better. The hydraulic lifters in your 16v will fill up and follow the camshaft better and with less noise. When you are at operating temperature, the 40 weight oil will give you the protection that a VW engine needs.

Pros: cranks faster when cold, less lifter noise, good engine protection
Mileage: 8047 km
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Castrol Engine oil

I prefer to use castrol gtx 20w-50 year round, but I'm being cheap lately. I've put over 120k on my 16v with this stuff so far

Pros: preferred year round, long-term reliability
Mileage: 193121 km
Part number: GTX 20W-50
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Castrol Engine oil
Rating 2.5
  • Exhaust smoke:

I run 5w40 syntec and I eat about 1/2-3/4 oil every 5,000 miles. It will eat it more if I drive it really hard.

Cons: eats 1/2-3/4 oil
Mileage: 8047 km
Part number: 5W40
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