Spoke with a Fuchs representative the other month (LOL) and they told me that the Titan Super GTO in fact is not a fully synthetic, just a synthetic blend. When I asked them why their previous packaging and even website said fully synthetic, they could not comment. Speaking to a a guy at Queensland Diesel Spares (I think), he was saying something about how some standards apparently have changed in the way they rate the oil. Something like how an oil could have previously been labelled a fully synthetic under certain specifications, even if that isn't entirely true. I really don't know who's saying what, but either way for the sake of the discussion, Fuchs Titan GTO is only a synthetic blend. Next oil change I will be running Fuchs GT1 PRO C3... provided it doesn't break the bank. Will have to order that one. To be honest though, I'm only changing because I want to put a fully synthetic in it. No reason in particular... just what I feel like doing. To be serious, the Titan Super GTO does the trick and hasn't let me down.