Chevrolet Volt (2017) is 27 kg (60 lbs) lighter than GMC Terrain (2015).
GMC Terrain (2015) is 209 mm (8.23 inch) longer, 61 mm (2.40 inch) wider, 246 mm (9.69 inch) higher and has 1492 liters (52.69 ft3) bigger cargo space than Chevrolet Volt (2017).