Bentley Flying Spur (2018) is 386 mm (15.20 inch) longer and 120 mm (4.72 inch) wider than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 25 mm (0.98 inch) higher, 817 kg (1,801 lbs) lighter and has 85 liters (3.00 ft3) bigger cargo space than Bentley Flying Spur (2018).