Opel Insignia (2015) is 262 mm (10.31 inch) longer, 288 mm (11.34 inch) wider, 23 mm (0.91 inch) higher and has 200 liters (7.06 ft3) bigger cargo space than Subaru Impreza WRX (2019).
Subaru Impreza WRX (2019) is 124 kg (273 lbs) lighter than Opel Insignia (2015).