Cadillac ATS Coupe (2015) is 595 kg (1,312 lbs) lighter than Mercedes S-Class (2018).
Mercedes S-Class (2018) is 582 mm (22.91 inch) longer, 57 mm (2.24 inch) wider, 98 mm (3.86 inch) higher and has 206 liters (7.27 ft3) bigger cargo space than Cadillac ATS Coupe (2015).