Kia Cadenza (2016) is 167 mm (6.57 inch) longer and 502 kg (1,107 lbs) lighter than Mercedes M-Class (2015).
Mercedes M-Class (2015) is 57 mm (2.24 inch) wider, 317 mm (12.48 inch) higher and has 237 liters (8.37 ft3) bigger cargo space than Kia Cadenza (2016).