Cadillac CT5 (2020) is 10 mm (0.39 inch) longer and 26 mm (1.02 inch) wider than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 60 mm (2.36 inch) higher, 60 kg (132 lbs) lighter and has 223 liters (7.88 ft3) bigger cargo space than Cadillac CT5 (2020).