Mercedes GLK-Class (2016) is 186 mm (7.32 inch) higher than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 377 mm (14.84 inch) longer, 16 mm (0.63 inch) wider, 280 kg (617 lbs) lighter and has 110 liters (3.88 ft3) bigger cargo space than Mercedes GLK-Class (2016).