Ford Fusion (2018) is 23 mm (0.91 inch) higher than Opel Insignia Grand Sport (2020).
Opel Insignia Grand Sport (2020) is 25 mm (0.98 inch) longer, 11 mm (0.43 inch) wider, 191 kg (421 lbs) lighter and has 37 liters (1.31 ft3) bigger cargo space than Ford Fusion (2018).