INFINITI Q70 (2017) is 32 mm (1.26 inch) longer and 1 mm (0.04 inch) higher than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 7 mm (0.28 inch) wider, 138 kg (304 lbs) lighter and has 138 liters (4.87 ft3) bigger cargo space than INFINITI Q70 (2017).