BMW 8 Series (G16) (2019) is 408 mm (16.06 inch) longer, 106 mm (4.17 inch) wider and has 38 liters (1.34 ft3) bigger cargo space than Hyundai Elantra (2020).
Hyundai Elantra (2020) is 8 mm (0.31 inch) higher and 549 kg (1,210 lbs) lighter than BMW 8 Series (G16) (2019).
