Chevrolet Tahoe (2018) is 904 mm (35.59 inch) longer, 277 mm (10.91 inch) wider, 348 mm (13.70 inch) higher and has 957 liters (33.80 ft3) bigger cargo space than Mazda 6 Atenza (2015).
Mazda 6 Atenza (2015) is 1267 kg (2,793 lbs) lighter than Chevrolet Tahoe (2018).