Mazda 6 Atenza (2020) is 54 mm (2.13 inch) higher and 134 kg (295 lbs) lighter than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 519 mm (20.43 inch) longer, 60 mm (2.36 inch) wider and has 39 liters (1.38 ft3) bigger cargo space than Mazda 6 Atenza (2020).
