Cadillac XT4 (2019) is 84 mm (3.31 inch) wider, 172 mm (6.77 inch) higher and has 147 liters (5.19 ft3) bigger cargo space than Opel Insignia Grand Sport (2020).
Opel Insignia Grand Sport (2020) is 298 mm (11.73 inch) longer and 380 kg (838 lbs) lighter than Cadillac XT4 (2019).
