Cadillac CT6-V (2020) is 314 mm (12.36 inch) longer and 24 mm (0.94 inch) wider than Opel Insignia Sports Tourer (2020).
Opel Insignia Sports Tourer (2020) is 40 mm (1.57 inch) higher, 428 kg (944 lbs) lighter and has 113 liters (3.99 ft3) bigger cargo space than Cadillac CT6-V (2020).
