Buick Regal Sportback (2020) is 838 kg (1,847 lbs) lighter than Mercedes GL-Class (2014).
Mercedes GL-Class (2014) is 246 mm (9.69 inch) longer, 136 mm (5.35 inch) wider, 395 mm (15.55 inch) higher and has 210 liters (7.42 ft3) bigger cargo space than Buick Regal Sportback (2020).