Chevrolet Tahoe (2021) is 439 mm (17.28 inch) longer, 201 mm (7.91 inch) wider, 415 mm (16.34 inch) higher and has 1496 liters (52.83 ft3) bigger cargo space than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 968 kg (2,134 lbs) lighter than Chevrolet Tahoe (2021).