BMW 7 Series (2018) is 511 mm (20.12 inch) longer, 104 mm (4.09 inch) wider, 15 mm (0.59 inch) higher and has 109 liters (3.85 ft3) bigger cargo space than Buick Excelle GT (2015).
Buick Excelle GT (2015) is 635 kg (1,400 lbs) lighter than BMW 7 Series (2018).
