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This 2018 GMC Sierra 1500 SLT Crew Cab is finished in Onyx Black and powered by a 5.3L V8 paired with an 8-speed automatic transmission. Equipped with...

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Edmunds' expert review of the Used 2018 GMC Sierra 1500 provides the latest look at trim-level features and specs, performance, safety, and comfort. At Edmunds we drive every car we review ...