Bentley Flying Spur (2018) is 661 mm (26.02 inch) longer, 151 mm (5.94 inch) wider, 126 mm (4.96 inch) higher and has 30 liters (1.06 ft3) bigger cargo space than BMW 4 Series (2013).
BMW 4 Series (2013) is 832 kg (1,834 lbs) lighter than Bentley Flying Spur (2018).