Cadillac CT4 (2021) is 99 mm (3.90 inch) longer and 548 kg (1,208 lbs) lighter than Mercedes GLC-Class (2020).
Mercedes GLC-Class (2020) is 76 mm (2.99 inch) wider, 237 mm (9.33 inch) higher and has 47 liters (1.66 ft3) bigger cargo space than Cadillac CT4 (2021).