Interesting and I'll follow this too. I've had the same thought in mind when picking up my vehicle with Avis. My firm always books a full-sized car; but more often than not Avis puts us into SUVs. They are generally an intermediate (Nissan Rogue, VW Tiguan, Hyundai Santa Fe, etc.). I'm guessing they think full size car = intermediate SUV. I usually only find intermediate sized vehicles in the Preferred Select & Go anyhow. Once in a while, a full-size SUV or minivan shows up though.