Buick Regal (2016) is 334 kg (736 lbs) lighter than Subaru Ascent (2021).
Subaru Ascent (2021) is 168 mm (6.61 inch) longer, 73 mm (2.87 inch) wider, 336 mm (13.23 inch) higher and has 1265 liters (44.67 ft3) bigger cargo space than Buick Regal (2016).