Buick Regal (2014) is 915 kg (2,017 lbs) lighter than Mercedes GL-Class (2014).
Mercedes GL-Class (2014) is 315 mm (12.40 inch) longer, 141 mm (5.55 inch) wider, 367 mm (14.45 inch) higher and has 278 liters (9.82 ft3) bigger cargo space than Buick Regal (2014).