Cadillac ATS Coupe (2015) is 400 kg (882 lbs) lighter than Mercedes S-Class Coupe (2016).
Mercedes S-Class Coupe (2016) is 363 mm (14.29 inch) longer, 55 mm (2.17 inch) wider, 22 mm (0.87 inch) higher and has 106 liters (3.74 ft3) bigger cargo space than Cadillac ATS Coupe (2015).