Buick Regal (2017) is 893 kg (1,969 lbs) lighter than Chevrolet Tahoe (2021).
Chevrolet Tahoe (2021) is 521 mm (20.51 inch) longer, 200 mm (7.87 inch) wider, 455 mm (17.91 inch) higher and has 1654 liters (58.41 ft3) bigger cargo space than Buick Regal (2017).