A redesigned Acadia crossover SUV arrives for 2017, smaller, lighter, but still able to carry up to 7 people. A new Duramax turbodiesel engine arrives for the Sierra Heavy Duty models, complete with ram-air induction and higher towing and payload capacities. GMC also enhances the Canyon and Sierra 1500 light-duty pickups, upgrades the Yukon and Yukon XL lineups, and continues to offer the Savana full-size van.
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