Cadillac CT4 (2021) is 338 mm (13.31 inch) longer and 10 mm (0.39 inch) wider than Mercedes GLA-Class (2014).
Mercedes GLA-Class (2014) is 72 mm (2.83 inch) higher, 157 kg (346 lbs) lighter and has 118 liters (4.17 ft3) bigger cargo space than Cadillac CT4 (2021).