GMC Terrain (2017) is 869 mm (34.21 inch) longer, 122 mm (4.80 inch) wider, 269 mm (10.59 inch) higher and has 1387 liters (48.98 ft3) bigger cargo space than MINI Countryman (2020).
MINI Countryman (2020) is 557 kg (1,228 lbs) lighter than GMC Terrain (2017).