Buick LaCrosse (2015) is 88 mm (3.46 inch) longer and 1 mm (0.04 inch) wider than Opel Insignia Country Tourer (2015).
Opel Insignia Country Tourer (2015) is 9 mm (0.35 inch) higher, 104 kg (229 lbs) lighter and has 234 liters (8.26 ft3) bigger cargo space than Buick LaCrosse (2015).