Buick Regal (2015) is 244 mm (9.61 inch) longer and 69 kg (152 lbs) lighter than Land Rover Discovery (2018).
Land Rover Discovery (2018) is 38 mm (1.50 inch) wider, 234 mm (9.21 inch) higher and has 523 liters (18.47 ft3) bigger cargo space than Buick Regal (2015).