Cadillac ATS (2015) is 3 mm (0.12 inch) higher and 715 kg (1,576 lbs) lighter than Mercedes CL-Class (2020).
Mercedes CL-Class (2020) is 452 mm (17.80 inch) longer, 66 mm (2.60 inch) wider and has 109 liters (3.85 ft3) bigger cargo space than Cadillac ATS (2015).