Cadillac ATS (2014) is 1076 kg (2,372 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 503 mm (19.80 inch) longer, 192 mm (7.56 inch) wider, 430 mm (16.93 inch) higher and has 299 liters (10.56 ft3) bigger cargo space than Cadillac ATS (2014).