Cadillac CTS (2014) is 310 mm (12.20 inch) longer, 389 kg (858 lbs) lighter and has 97 liters (3.43 ft3) bigger cargo space than Mercedes GLC-Class (2015).
Mercedes GLC-Class (2015) is 56 mm (2.20 inch) wider and 206 mm (8.11 inch) higher than Cadillac CTS (2014).