Chevrolet Tahoe (2014) is 289 mm (11.38 inch) longer, 455 mm (17.91 inch) higher and has 1167 liters (41.21 ft3) bigger cargo space than Opel Insignia (2017).
Opel Insignia (2017) is 77 mm (3.03 inch) wider and 925 kg (2,039 lbs) lighter than Chevrolet Tahoe (2014).