Chevrolet Tahoe (2018) is 324 mm (12.76 inch) longer, 185 mm (7.28 inch) wider, 420 mm (16.54 inch) higher and has 1024 liters (36.16 ft3) bigger cargo space than Kia Optima Sportswagon (2020).
Kia Optima Sportswagon (2020) is 715 kg (1,576 lbs) lighter than Chevrolet Tahoe (2018).