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Remanufactured engines that fit the 2015 Audi S4. 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 40% of what the 2015 Audi S4 is worth — most units below beat that comfortably.
As a general rule of thumb, an engine replacement on a 2015 Audi S4 (luxury segment, vehicle value roughly $8,100–$10,308) is usually worth it when the installed cost stays under about $3,682 — roughly 40% of what the vehicle is worth.
