Technically, if the vechile can't drive, it can't "break out" of the engulf. Its stationary.
Exactly. But if the vehicle HADN'T been bricked, I'd say even a stationary vehicle can attempt to pull out of an engulf. It's one thing to say a spirit can engulf something the size of a vehicle... it's quite another thing entirely to say the spirit is strong enough to pick the vehicle up while engulfing it and remove it from contact with the ground. Naaah, I don't see that. Not until we start talking about Great Forms or such.
Picking the vehicle up would be a Strength test. (I believe its covered in the runner's guide book, forget the name). And Strength for spirits is function their Force..
To pull this off, you would be talking about Max Troll type Strength, which in turn would mean a Spirit in the 10 to 14 range....
GOOD LUCK!!
Even a Spirit using something like Leviate wouldn't be able to pick up a car... bevause the max force of a spell is still limited by the Force of the Spirit... and if I recall correctly, its 1 force per 100kg.
More likely, the spirit has the immoblized car 'engulfed' but can't really do much to it other than make it bounce about on its shocks (no damage). However, the team is still trapped inside the car, which its disabled. Chances are, that Spirit's meat back up is on the way, and THAT is going to be the real issue when they show up.
So the Runners better figure out how to deal with the spirit before that happens.