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Used and remanufactured engines that fit the 2007 Buick Rainier. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from Peak Powertrain.
Rule of thumb: a engine replacement is usually worth it when the installed cost stays under 50% of what the 2007 Buick Rainier is worth — most units below beat that comfortably.
Based on 33 recent market listings, an engine for a 2007 Buick Rainier typically runs $2,659–$4,682, with a median around $3,881.
As a general rule of thumb, an engine replacement on a 2007 Buick Rainier (mid-size sedan segment, vehicle value roughly $2,500–$3,000) is usually worth it when the installed cost stays under about $1,250 — roughly 50% of what the vehicle is worth.
Based on vendor-verified fitment data across 7 listed engines, remanufactured and new engines for this model cover the 2002–2007 model years. Always confirm your exact VIN or engine/transmission code before ordering, since fitment can vary by submodel or engine.
