Cadillac XT6 (2020) is 394 mm (15.51 inch) longer, 74 mm (2.91 inch) wider, 91 mm (3.58 inch) higher and has 6 liters (0.21 ft3) bigger cargo space than Mercedes GLC-Class (2016).
Mercedes GLC-Class (2016) is 27 kg (60 lbs) lighter than Cadillac XT6 (2020).