Opel Insignia Grand Sport (2020) is 531 mm (20.91 inch) longer, 98 mm (3.86 inch) wider and has 60 liters (2.12 ft3) bigger cargo space than Toyota Matrix (2018).
Toyota Matrix (2018) is 94 mm (3.70 inch) higher and 75 kg (165 lbs) lighter than Opel Insignia Grand Sport (2020).