Buick LaCrosse (2017) is 104 mm (4.09 inch) longer and 11 mm (0.43 inch) wider than Opel Insignia Country Tourer (2015).
Opel Insignia Country Tourer (2015) is 52 mm (2.05 inch) higher, 146 kg (322 lbs) lighter and has 115 liters (4.06 ft3) bigger cargo space than Buick LaCrosse (2017).