Mazda 3 (Hatchback) (2017) is 620 kg (1,367 lbs) lighter than Mercedes GLK-Class (2017).
Mercedes GLK-Class (2017) is 76 mm (2.99 inch) longer, 44 mm (1.73 inch) wider, 259 mm (10.20 inch) higher and has 86 liters (3.04 ft3) bigger cargo space than Mazda 3 (Hatchback) (2017).