BMW X4 (2019) is 71 mm (2.80 inch) wider and 105 mm (4.13 inch) higher than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 155 mm (6.10 inch) longer, 462 kg (1,019 lbs) lighter and has 35 liters (1.24 ft3) bigger cargo space than BMW X4 (2019).