Audi A6 Avant (2017) is 800 kg (1,764 lbs) lighter than GMC Yukon (2021).
GMC Yukon (2021) is 391 mm (15.39 inch) longer, 170 mm (6.69 inch) wider, 482 mm (18.98 inch) higher and has 1491 liters (52.65 ft3) bigger cargo space than Audi A6 Avant (2017).