Originally Posted by
JerryFF
it can vary greatly, depending on how busy immigration and customs are, but I would say it would be reasonable to assume you could be in your car 90-120 minutes after arrival time in most cases.
I've been through SFO immigrations & customs a few dozen times-- as a US citizen, though, not a foreigner. I'm surprised at your estimate of 90-120 minutes. I would have guessed 60-75 for a non-citizen, especially for travelers who have all their paperwork in order.