I think “a fan or 2” is underselling the technology here. It’s not about the weight of the car but the force that the atmosphere presses on its surface area. This is well-established physics that has been demonstrated by others so I don’t know why you’re questioning this and not some of the wilder parts like the flying.

That's not even the original part - it's been done by a car with a driver in it - the McMurtry Spéirling.

You can do a lot with a few megawatts of power for a few seconds.