The test includes driving a vehicle up onto two staggered ramps. The deflection from the bed to the body is then measured. The tailgate is also operated under stress to test for binding and warping.
After AMCI's third-party testing was complete, the Silverado 2500HD proved to be stronger than the Ford F-250. While Silverado HD only allowed .26-inches of twist, Ford Super Duty's frame warped .94-inches. Even worse, the Ford's tailgate was bound shut, unable to be opened.
Chevrolet credits the use of high-strength roll-formed steel in the Silverado's bed for the strong results. Ford uses a less durable stamped steel.
Take a look at how the test was completed for yourself.
“The use of high-strength steel in the Silverado HD is what allows the Silverado to handle even the toughest of jobs,” said Jeff Luke, General Motors’ executive chief engineer for full-size trucks. “Paired with a fully boxed frame, high-strength steel is what makes the Silverado come from the family of the most dependable, longest-lasting full-size pickups on the road.”
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