Built for the North American market between 2005 and 2012, the first-generation US Ford Fusion is a spacious midsize saloon engineered on Mazda-derived CD3 architecture. Positioned above smaller hatchbacks, it represents an important reference point for Ford Fusion maintenance. A comprehensive 2010 update introduced refreshed front styling and upgraded engine families.
Powertrains include the durable 2.3 / 2.5 Duratec 4-cyl engines alongside smooth 3.0 / 3.5 Duratec V6 units. Transmission setups feature manuals, the Japanese Aisin 6-speed automatic transmission (on early V6s), and Ford's 6F35 6-speed automatic transmission on 2010+ models. The chassis boasts a sophisticated front double-wishbone suspension arrangement.
The 2.5 Duratec four-cylinder is celebrated for high mileage endurance. However, the 6F35 automatic transmission on 2010-2012 models suffers from harsh shifting, flare between gears, and valve body wear if fluid servicing is neglected. Electric power steering assist failures on 2010-2012 models and swollen two-piece wheel nuts are additional documented owner pain points.