BMW 8 Series (G14) (2018) is 12 mm (0.47 inch) longer and 45 mm (1.77 inch) wider than Buick Regal (2015).
Buick Regal (2015) is 144 mm (5.67 inch) higher, 248 kg (547 lbs) lighter and has 52 liters (1.84 ft3) bigger cargo space than BMW 8 Series (G14) (2018).
