Originally posted by vananron
It is because most of the magazine testers do a "drop clutch" start, they will not slip the clutch, as required to get the best time for the S4 and for all AWD cars.
That's not true at all. Almost all respectable magazines do multiple runs and try various techniques. They've been testing many cars for years, so they have devised a methodology that allows them to find the best 0-60 times. Plus, many of them have motorsport and factory experience working with/driving/testing cars. I doubt that they wouldn't know to slip the S4 clutch.
What the variation is likely due to is other things: weather, traction, etc.