Buick Regal Sportback (2018) is 46 mm (1.81 inch) longer and 282 kg (622 lbs) lighter than Toyota Highlander (2018).
Toyota Highlander (2018) is 63 mm (2.48 inch) wider, 275 mm (10.83 inch) higher and has 395 liters (13.95 ft3) bigger cargo space than Buick Regal Sportback (2018).