I always wondered why it wasn't zero. Then I read some are only delivered to the rail yard and unloaded, therefore have to be driven xx miles from the rail yard to the dealerships. Some are send to central dispatches, then delivered to the dealership on truck. Some are door-to-door. It really depends on the unique delivery and receipt method for each dealership depending on its location. It may or may not be true, I didn't verify it, but made sense.