[A] 2007 interview revealing he knew neither how many houses he owned nor what car he drove:

In our News interview, he was asked what kind of car he drove. As with Politico’s question about home ownership, he didn’t know and had to ask a nearby aide. “A Cadillac CTS,” she told him. But then the senator was quick to point out that he had bought his daughter a Prius — the prefect (sic) halo symbol for his green pretensions. […]

We also pressed McCain on the home issue, though at that time he was only willing to reveal two of his dwellings: one in Phoenix and a second home in Sedona. And he was quite proud of the fact that he had installed solar panels on the Sedona pad.