BMW X7 (2020) is 165 mm (6.50 inch) longer, 138 mm (5.43 inch) wider, 322 mm (12.68 inch) higher and has 150 liters (5.30 ft3) bigger cargo space than Buick Regal TourX (2020).
Buick Regal TourX (2020) is 773 kg (1,704 lbs) lighter than BMW X7 (2020).