Buick LaCrosse (2015) is 303 mm (11.93 inch) longer and 43 mm (1.69 inch) wider than Opel Astra Sports Tourer (2017).
Opel Astra Sports Tourer (2017) is 31 mm (1.22 inch) higher, 229 kg (505 lbs) lighter and has 234 liters (8.26 ft3) bigger cargo space than Buick LaCrosse (2015).
