Cadillac CTS-V Coupe (2014) is 460 mm (18.11 inch) longer and 78 mm (3.07 inch) wider than Mercedes GLA-Class (2014).
Mercedes GLA-Class (2014) is 72 mm (2.83 inch) higher, 535 kg (1,179 lbs) lighter and has 124 liters (4.38 ft3) bigger cargo space than Cadillac CTS-V Coupe (2014).