Acura RLX (2018) is 3883 kg (8,561 lbs) lighter than GMC Yukon XL (2015).
GMC Yukon XL (2015) is 665 mm (26.18 inch) longer, 155 mm (6.10 inch) wider, 424 mm (16.69 inch) higher and has 1750 liters (61.80 ft3) bigger cargo space than Acura RLX (2018).