GMC Sierra 1500 (2015) is 649 mm (25.55 inch) longer, 503 mm (19.80 inch) wider, 386 mm (15.20 inch) higher and has 1380 liters (48.73 ft3) bigger cargo space than Mitsubishi Lancer Sportback (2017).
Mitsubishi Lancer Sportback (2017) is 650 kg (1,433 lbs) lighter than GMC Sierra 1500 (2015).