Just a couple of thoughts to add...

Manhattan Avis locations do not offer Preferred or Preferred Select service at all.. They say it is a space issue, although there is plenty of counter space for them to handle customers at and they have several parking spaces at the front of garage at my usual location. YUL Location Avis is generally excellent, although two things I would mention: (1) someone could try to take a moment to wipe down the brown/black streaks when they park the car after arriving from hotfooting it from their washing location across the highway; and (2) if you enter an AWD online at avis.com that is not in your Wizard profile, such as the great AWDs available here, then your contract and keys are not ready to go once you arrive. I've also had one occassion in YUL where they didn't have my contract ready although I had booked everything with my standard profile AWD because they were looking for me to downgrade my selection, with no compensation for me helping them out of an obvious car shortage jam. That floored me. Unless I'm looking to have fun in a Roadster in the summer for a few weekends, safety is of paramount importance to me and the bigger the car or better yet, SUV, the better for me.