I'm sure this will insight a mud slinging war on here, but the videos are well produced and entertaining. Remember, this was done by a manufacturer, the same as what Ford did some time back, so keep that in mind.
Pt1
[nomedia="http://www.youtube.com/watch?v=lFGFh1qbrFo&feature=player_embedded"]YouTube - Chevy Silverado HD | Head-To-Head Introduction[/nomedia]
Pt2
[nomedia="http://www.youtube.com/watch?v=9EG7wc_-X0E&feature=player_embedded"]YouTube - Chevy Silverado 2500 HD | Head to Head Acceleration Test #1 | Chevrolet[/nomedia]
Pt3
[nomedia="http://www.youtube.com/watch?v=B6I8g0XXfDM&feature=player_embedded"]YouTube - Chevy Silverado 2500 HD | Head to Head Frame Strength Test #1: Bumper Sag | Chevrolet[/nomedia]
Pt4
[nomedia="http://www.youtube.com/watch?v=ah65OKoXZt4&feature=player_embedded"]YouTube - Chevy Silverado HD | Head to Head Frame Strength Test #2: Twist Ditch | Chevrolet[/nomedia]
Pt5
[nomedia="http://www.youtube.com/watch?v=Xprl49nhcRg&feature=player_embedded"]YouTube - Chevy Silverado HD | Head to Head Passing Test | Chevrolet[/nomedia]
Pt6
[nomedia="http://www.youtube.com/watch?v=Xprl49nhcRg&feature=player_embedded"]YouTube - Chevy Silverado HD | Head to Head Passing Test | Chevrolet[/nomedia]
Pt7
[nomedia="http://www.youtube.com/watch?v=uzOQOurM0eU&feature=player_embedded"]YouTube - Chevy Silverado 3500 HD | Head to Head Braking Test #2: Exhaust Brake | Chevrolet[/nomedia]
Pt1
[nomedia="http://www.youtube.com/watch?v=lFGFh1qbrFo&feature=player_embedded"]YouTube - Chevy Silverado HD | Head-To-Head Introduction[/nomedia]
Pt2
[nomedia="http://www.youtube.com/watch?v=9EG7wc_-X0E&feature=player_embedded"]YouTube - Chevy Silverado 2500 HD | Head to Head Acceleration Test #1 | Chevrolet[/nomedia]
Pt3
[nomedia="http://www.youtube.com/watch?v=B6I8g0XXfDM&feature=player_embedded"]YouTube - Chevy Silverado 2500 HD | Head to Head Frame Strength Test #1: Bumper Sag | Chevrolet[/nomedia]
Pt4
[nomedia="http://www.youtube.com/watch?v=ah65OKoXZt4&feature=player_embedded"]YouTube - Chevy Silverado HD | Head to Head Frame Strength Test #2: Twist Ditch | Chevrolet[/nomedia]
Pt5
[nomedia="http://www.youtube.com/watch?v=Xprl49nhcRg&feature=player_embedded"]YouTube - Chevy Silverado HD | Head to Head Passing Test | Chevrolet[/nomedia]
Pt6
[nomedia="http://www.youtube.com/watch?v=Xprl49nhcRg&feature=player_embedded"]YouTube - Chevy Silverado HD | Head to Head Passing Test | Chevrolet[/nomedia]
Pt7
[nomedia="http://www.youtube.com/watch?v=uzOQOurM0eU&feature=player_embedded"]YouTube - Chevy Silverado 3500 HD | Head to Head Braking Test #2: Exhaust Brake | Chevrolet[/nomedia]