Cadillac XT6 (2020) is 171 mm (6.73 inch) longer and 352 mm (13.86 inch) higher than Mercedes E-Class (2020).
Mercedes E-Class (2020) is 107 mm (4.21 inch) wider, 304 kg (670 lbs) lighter and has 184 liters (6.50 ft3) bigger cargo space than Cadillac XT6 (2020).