Buick Regal (2015) is 804 kg (1,773 lbs) lighter than Ford Expedition (2015).
Ford Expedition (2015) is 503 mm (19.80 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 (2015).