Mercedes GLB-Class (2019) is 161 mm (6.34 inch) higher, 213 kg (470 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than Opel Insignia (2017).
Opel Insignia (2017) is 208 mm (8.19 inch) longer and 250 mm (9.84 inch) wider than Mercedes GLB-Class (2019).