When a new pickup truck debuted, did you ever wonder how its competitors would suddenly gain a few hundred pounds of towing capacity with seemingly no changes from the previous model year?
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We've already sampled the 2014 Chevrolet Silverado, but its upmarket twin, the 2014 GMC Sierra made its official debut today.
General Motors has been playing magic tricks on the public.
For the new model year, GMC is upgrading two of its top vehicles.