What is the best automotive synthetic motor oil in the world today?

i drive 1000 mpweek all highway 75 mph avg......how often should this oil be changed?What is the best automotive synthetic motor oil in the world today?
synthetics are highly over-rated. Especially since the induction of GF-4 oil and in about 2009 GF-5 which might have to be semi-synthetic. Use a good quality conventional oil and you will be amazed on how many miles you can get out of an engine if maintained correctly. Change it between 3000 and 5000 miles depending on if you do highway or city driving. 5000 for highway and 3000 for city. The only major difference between synthetics and conventional is that synthetics have absolutely no impurities since it is man made. Conventional oil is about 99.9% free of impurities. Do what you want but I own 3 quick lubes and from what I have seen in the last 18 years it really doesn't matter what type of oil you use just as long as you change it on time. The type of driving yo are doing is the absolute best thing for the engine it runs at a constant temp and speed.What is the best automotive synthetic motor oil in the world today?
The best synthetic motor oil is Mobil. Change it every 3000 to 5000 miles depending how many miles on your car. Or check it each time you fill up. When it gets to look like chocolate syrup, change it.





But in you case regular oil is ok to use
3000 miles just like always, and if you are driving that much don't waste money on a synthetic. Regular 10w-30 is just fine. Synthetics have a longer life than regular oil, but in your case that wont matter.
Mobile 1!!





I change every 7K
every 3000 miles and I would use castrol. I would also add injection cleaner every third tank of gas if you can afford it. I used to work for a oilfield service company and I would put, on average, 60,000 mpy.
Mobil -1...Watch synthetic oils they may be good for a few extra miles. Look at your oil ,when you do a change, it will look dirty and burnt.In your case, once a month.
i own a repair shop,,and right now Mobil One is the best there is i use it all the time and recommend it to everyone you only change it every 7500 miles,and i usually go 8 on it,and its still in good shape,,good luck i hope this help,s.
I recommend, AMSOIL, with a WIX filter. Very good in my fleet service and changed every 15,000 miles even though thet say every 25,000. Oil always as clean as wesson (cooking oil) and even after driving not even hot. Wix filters have more internal filtering area.