GMC Terrain (2020) is 267 mm (10.51 inch) longer, 48 mm (1.89 inch) higher and has 1230 liters (43.44 ft3) bigger cargo space than Kia Sportage (2018).
Kia Sportage (2018) is 5 mm (0.20 inch) wider and 260 kg (573 lbs) lighter than GMC Terrain (2020).