BMW X3 (2020) is 41 mm (1.61 inch) wider and 163 mm (6.42 inch) higher than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 197 mm (7.76 inch) longer, 304 kg (670 lbs) lighter and has 10 liters (0.35 ft3) bigger cargo space than BMW X3 (2020).