Audi A6 Avant (2018) is 573 kg (1,263 lbs) lighter than GMC Yukon (2019).
GMC Yukon (2019) is 241 mm (9.49 inch) longer, 158 mm (6.22 inch) wider, 422 mm (16.61 inch) higher and has 1065 liters (37.61 ft3) bigger cargo space than Audi A6 Avant (2018).