Cadillac CT6-V (2020) is 571 mm (22.48 inch) longer, 72 kg (159 lbs) lighter and has 97 liters (3.43 ft3) bigger cargo space than Mercedes GLC-Class (2016).
Mercedes GLC-Class (2016) is 10 mm (0.39 inch) wider and 186 mm (7.32 inch) higher than Cadillac CT6-V (2020).