Chevrolet Impala Limited (2014) is 554 mm (21.81 inch) longer, 12 mm (0.47 inch) wider, 267 kg (589 lbs) lighter and has 77 liters (2.72 ft3) bigger cargo space than Mercedes GLK-Class (2018).
Mercedes GLK-Class (2018) is 208 mm (8.19 inch) higher than Chevrolet Impala Limited (2014).