GMC Terrain (2021) is 341 mm (13.43 inch) longer, 310 mm (12.20 inch) wider, 38 mm (1.50 inch) higher and has 1178 liters (41.60 ft3) bigger cargo space than Mitsubishi Outlander Sport (2020).
Mitsubishi Outlander Sport (2020) is 268 kg (591 lbs) lighter than GMC Terrain (2021).