BMW 8 Series (G15) (2018) is 1343 mm (52.87 inch) longer, 302 mm (11.89 inch) wider and has 290 liters (10.24 ft3) bigger cargo space than Suzuki Alto (2017).
Suzuki Alto (2017) is 129 mm (5.08 inch) higher and 994 kg (2,191 lbs) lighter than BMW 8 Series (G15) (2018).