Upon thinking about it, I think the Vehicles will have the art on the left and the text on the right. You want to be able to see the text, and visually it looks cool because if you put the creature that's in the Vehicle on top of the card, it's like they're "jumping in".
Kinda similar to these fan planeswalkers
All the relevant text is on the right.
Kinda similar to these fan planeswalkers
All the relevant text is on the right.