Hyundai Elantra (2016) is 84 mm (3.31 inch) longer and 584 kg (1,287 lbs) lighter than Mercedes GLK-Class (2018).
Mercedes GLK-Class (2018) is 39 mm (1.54 inch) wider, 269 mm (10.59 inch) higher and has 42 liters (1.48 ft3) bigger cargo space than Hyundai Elantra (2016).