Hyundai Elantra (2020) is 138 mm (5.43 inch) longer and 535 kg (1,179 lbs) lighter than Mercedes GLK-Class (2014).
Mercedes GLK-Class (2014) is 14 mm (0.55 inch) wider, 284 mm (11.18 inch) higher and has 48 liters (1.70 ft3) bigger cargo space than Hyundai Elantra (2020).