Buick LaCrosse (2014) is 2 mm (0.08 inch) longer and 301 kg (664 lbs) lighter than Subaru Ascent (2020).
Subaru Ascent (2020) is 73 mm (2.87 inch) wider, 315 mm (12.40 inch) higher and has 1361 liters (48.06 ft3) bigger cargo space than Buick LaCrosse (2014).