Bentley Flying Spur (2017) is 906 mm (35.67 inch) longer and 190 mm (7.48 inch) wider than Mercedes B-Class (2014).
Mercedes B-Class (2014) is 69 mm (2.72 inch) higher, 1022 kg (2,253 lbs) lighter and has 11 liters (0.39 ft3) bigger cargo space than Bentley Flying Spur (2017).