BMW X4 (2016) is 18 mm (0.71 inch) wider, 169 mm (6.65 inch) higher and has 10 liters (0.35 ft3) bigger cargo space than Opel Insignia Grand Sport (2017).
Opel Insignia Grand Sport (2017) is 226 mm (8.90 inch) longer and 445 kg (981 lbs) lighter than BMW X4 (2016).
