Jeep Grand Cherokee (2017) is 642 mm (25.28 inch) longer, 36 mm (1.42 inch) wider, 407 mm (16.02 inch) higher and has 547 liters (19.32 ft3) bigger cargo space than Mazda 6 (2018).
Mazda 6 (2018) is 744 kg (1,640 lbs) lighter than Jeep Grand Cherokee (2017).