Opel Insignia Grand Sport (2017) is 597 mm (23.50 inch) longer, 98 mm (3.86 inch) wider and has 60 liters (2.12 ft3) bigger cargo space than Suzuki SX4 (2017).
Suzuki SX4 (2017) is 120 mm (4.72 inch) higher and 120 kg (265 lbs) lighter than Opel Insignia Grand Sport (2017).
