Chevrolet Tahoe (2016) is 340 mm (13.39 inch) longer, 392 mm (15.43 inch) higher and has 924 liters (32.63 ft3) bigger cargo space than Opel Insignia (2015).
Opel Insignia (2015) is 39 mm (1.54 inch) wider and 771 kg (1,700 lbs) lighter than Chevrolet Tahoe (2016).