As we learned on Tuesday night, the 2020 GMC Sierra HD is significantly less ugly than its fraternal twin at Chevrolet, the 2020 Silverado HD, and has more cameras on board than a crowd at a Justin Timberlake concert. The cameras are fancy, too, with one letting a driver see right through whatever they’re hauling.
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The 2020 GMC Sierra HD Lets You See Straight Through the Trailer You’re Hauling
