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2020 GMC Sierra 2500 Redesign, Release Date, and Spy Photos | Best Auto Models
2020 GMC Sierra 2500 Redesign, Release Date, and Spy Photos. GM heavy-duty twins are entering the new generation in 2020. Well, we will have to wait before we see the first 2020 GMC Sierra 2500 units in salons and on roads. The price and release date of the 2020 GMC Sierra 2500 will be the last things we will find out.