GMC Terrain (2017) is 267 mm (10.51 inch) higher, 27 kg (60 lbs) lighter and has 1272 liters (44.92 ft3) bigger cargo space than Mercedes CLS-Class (2014).
Mercedes CLS-Class (2014) is 233 mm (9.17 inch) longer and 33 mm (1.30 inch) wider than GMC Terrain (2017).