GMC Yukon (2020) is 221 mm (8.70 inch) longer, 211 mm (8.31 inch) wider, 430 mm (16.93 inch) higher and has 1178 liters (41.60 ft3) bigger cargo space than Toyota Avalon (2019).
Toyota Avalon (2019) is 983 kg (2,167 lbs) lighter than GMC Yukon (2020).
