Buick Regal (2014) is 1092 kg (2,407 lbs) lighter than Ford Expedition (2014).
Ford Expedition (2014) is 409 mm (16.10 inch) longer, 145 mm (5.71 inch) wider, 478 mm (18.82 inch) higher and has 1398 liters (49.37 ft3) bigger cargo space than Buick Regal (2014).