Cadillac XT4 (2021) is 76 mm (2.99 inch) wider, 188 mm (7.40 inch) higher, 560 kg (1,235 lbs) lighter and has 147 liters (5.19 ft3) bigger cargo space than Mercedes CL-Class (2018).
Mercedes CL-Class (2018) is 496 mm (19.53 inch) longer than Cadillac XT4 (2021).