BMW 4 Series (2016) is 1198 mm (47.17 inch) longer, 270 mm (10.63 inch) wider and has 315 liters (11.12 ft3) bigger cargo space than Suzuki Alto (2020).
Suzuki Alto (2020) is 87 mm (3.43 inch) higher and 655 kg (1,444 lbs) lighter than BMW 4 Series (2016).