Buick Regal (2014) is 724 kg (1,596 lbs) lighter than Nissan Armada (2015).
Nissan Armada (2015) is 445 mm (17.52 inch) longer, 157 mm (6.18 inch) wider, 478 mm (18.82 inch) higher and has 1011 liters (35.70 ft3) bigger cargo space than Buick Regal (2014).