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Remanufactured transmissions that fit the 2012 GMC Sierra Denali. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from Peak Powertrain.
Rule of thumb: a transmission replacement is usually worth it when the installed cost stays under 45% of what the 2012 GMC Sierra Denali is worth — most units below beat that comfortably.
As a general rule of thumb, a transmission replacement on a 2012 GMC Sierra Denali (full-size truck segment, vehicle value roughly $4,500–$5,180) is usually worth it when the installed cost stays under about $2,081 — roughly 45% of what the vehicle is worth.
