BMW 8 Series (G16) (2019) is 182 mm (7.17 inch) longer and 70 mm (2.76 inch) wider than Buick Regal Sportback (2018).
Buick Regal Sportback (2018) is 48 mm (1.89 inch) higher, 152 kg (335 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than BMW 8 Series (G16) (2019).
