Buick LaCrosse (2017) is 18 mm (0.71 inch) longer and 263 kg (580 lbs) lighter than Subaru Ascent (2021).
Subaru Ascent (2021) is 63 mm (2.48 inch) wider, 358 mm (14.09 inch) higher and has 1242 liters (43.86 ft3) bigger cargo space than Buick LaCrosse (2017).