First Drive: 2020 GMC Sierra 1500 AT4 Duramax

Pthorpe84

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Staff member
GMC has had a busy year, between the 2019 Sierra 1500’s arrival in showrooms late last year and the debut of the 2020 Sierra HD this summer. Yet in the midst of all those massively important launches, the truck you see here is the one we’ve been looking forward to driving the most: the 2020

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