BMW 3 Series Touring (2018) is 56 mm (2.20 inch) longer, 13 mm (0.51 inch) wider and has 90 liters (3.18 ft3) bigger cargo space than Buick Excelle GT (2015).
Buick Excelle GT (2015) is 34 mm (1.34 inch) higher and 529 kg (1,166 lbs) lighter than BMW 3 Series Touring (2018).