Buick Regal (2017) is 433 kg (955 lbs) lighter than Chevrolet Traverse (2015).
Chevrolet Traverse (2015) is 343 mm (13.50 inch) longer, 137 mm (5.39 inch) wider, 302 mm (11.89 inch) higher and has 1235 liters (43.61 ft3) bigger cargo space than Buick Regal (2017).