BMW 7 Series (2017) is 1063 mm (41.85 inch) longer, 168 mm (6.61 inch) wider, 4 mm (0.16 inch) higher and has 189 liters (6.67 ft3) bigger cargo space than Hyundai i20 (2015).
Hyundai i20 (2015) is 740 kg (1,631 lbs) lighter than BMW 7 Series (2017).