Buick LaCrosse (2018) is 33 mm (1.30 inch) wider, 8 mm (0.31 inch) higher, 297 kg (655 lbs) lighter and has 17 liters (0.60 ft3) bigger cargo space than Cadillac CTS-V (2019).
Cadillac CTS-V (2019) is 2 mm (0.08 inch) longer than Buick LaCrosse (2018).