Audi A6 Avant (2017) is 855 kg (1,885 lbs) lighter than GMC Yukon XL (2019).
GMC Yukon XL (2019) is 757 mm (29.80 inch) longer, 170 mm (6.69 inch) wider, 429 mm (16.89 inch) higher and has 1607 liters (56.75 ft3) bigger cargo space than Audi A6 Avant (2017).