Cadillac CT5 (2020) is 499 mm (19.65 inch) longer and 78 mm (3.07 inch) wider than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 41 mm (1.61 inch) higher, 265 kg (584 lbs) lighter and has 84 liters (2.97 ft3) bigger cargo space than Cadillac CT5 (2020).