Firstly, by the huge price difference on the shelf ... lol!
The synthetic is a bit more transparent ... the type I use is closer to dark red in color.
If your car has a turbo, synthetic oil is better for it as it operates at a cooler temperature than ordinary oil.
depends on how long you plan on owning the car. personally every vehicle i have is running full synthetic oil. Ask any one who has every taken apart an engine and theyll tell you how mcuh cleaner an engine running synthetic is compared to conventional oil.
You cannot tell by looking at the oil. Owners manual will tell you. You can use synthetic even if it came with conventional. But if the manufacture recommends synthetic then by all means use it.
That's easy synthetic oil. Ill tell you why it sounds better
You can mix part synthetic oil with full synthetic oil.
Semi synthetic or synthetic blend is a combination of synthetic and conventional oil. Full synthetic oil is just that 100% synthetic oil.
Oil that comes out of the ground is not synthetic but is called crude oil. Synthetic oil is man made with synthetic compounds. They are both oil.
Synthetic oil manufacturers.
Yes, Synthetic oil is synthetic oil no matter who makes it.
Yes, that is what a synthetic blend is that they sell.
It is a combination of synthetic oil and conventional oil.
Synthetic oil is synthetic oil. Any major brand will be of high quality.
Synthetic oil is a chemically made substitute made from petroleum components as opposed to non synthetic which is made from crude oil.