GMC Sierra 1500 (2018) is 966 mm (38.03 inch) longer, 188 mm (7.40 inch) wider, 551 mm (21.69 inch) higher and has 1493 liters (52.72 ft3) bigger cargo space than Nissan 370Z (2018).
Nissan 370Z (2018) is 407 kg (897 lbs) lighter than GMC Sierra 1500 (2018).