Cadillac CTS Coupe (2014) is 378 mm (14.88 inch) longer, 48 mm (1.89 inch) wider and has 12 liters (0.42 ft3) bigger cargo space than Mercedes GLA-Class (2020).
Mercedes GLA-Class (2020) is 189 mm (7.44 inch) higher and 148 kg (326 lbs) lighter than Cadillac CTS Coupe (2014).