Ford Fusion Energi (2015) is 88 mm (3.46 inch) longer, 84 mm (3.31 inch) higher, 172 kg (379 lbs) lighter and has 16 liters (0.57 ft3) bigger cargo space than Ford Mustang (2015).
Ford Mustang (2015) is 64 mm (2.52 inch) wider than Ford Fusion Energi (2015).