Buick Regal TourX (2018) is 157 mm (6.18 inch) longer and 883 kg (1,947 lbs) lighter than Land Rover LR4 (2015).
Land Rover LR4 (2015) is 53 mm (2.09 inch) wider, 399 mm (15.71 inch) higher and has 660 liters (23.31 ft3) bigger cargo space than Buick Regal TourX (2018).