Well, it won't officially debut until tomorrow, but the 2011 Chevrolet Silverado HD is out now for all to see. Unfortunately, there isn't much to see as this truck doesn't look much different than the current model. If you must know, the grille, hood and wheels are the only major exterior differences.

Underneath it's a different story as the new Silverado HD gets an all new frame, upgraded suspension and revised towing and hauling ratings that place it back on top of the heavy-duty truck world.

For the full rundown, check out Inside Line's story on the 2011 Chevrolet Silverado HD.