Mercedes GLK-Class (2017) is 201 mm (7.91 inch) higher than Opel Insignia (2020).
Opel Insignia (2020) is 306 mm (12.05 inch) longer, 244 mm (9.61 inch) wider, 222 kg (489 lbs) lighter and has 90 liters (3.18 ft3) bigger cargo space than Mercedes GLK-Class (2017).