Don't get hung up on the 925 rating. It is simply a long life standard. Use a quality synthetic and swap it every 12 000 kms (8ish k miles). No fuss.
Yeah, but I felt like getting nerdy about oil.
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Don't get hung up on the 925 rating. It is simply a long life standard. Use a quality synthetic and swap it every 12 000 kms (8ish k miles). No fuss.
A lot of mfr's show their oil as "recommended for" a particular application, which is not the same as a true OEM/manufacter approval. My personal choice (Red Line) uses the term "Suitable replacement for" Ford WSS-M2C925-A. Red Line is a Group IV/V oil but not cheap at $48/gallon (free shipping at Summit Racing or Jegs, on orders over $99).
For these JAGUAR and LAND ROVER engines requiring previously FORD WSS M2C 925A or 925B
standards, the specification STJLR.03.5004 now applies as a replacement. STJLR.03.5004 covers
most of JAGUAR LAND ROVER Gasoline engines except for V6 and V8 supercharged.
No. Not necessarily. It depends what your definition of "better" is, and what is important to YOU. If max fuel economy is #1, then yes 0W-20 will generally have a slight advantage. If engine longevity is #1, it would likely be the opposite.people like over complicating stuff but unless you are running a race car all day synthetic oil is synthetic oil. 0w 20 is always better than 5w 20.