Buick Regal (2015) is 264 mm (10.39 inch) longer and 2 mm (0.08 inch) higher than Volkswagen Golf Alltrack (2015).
Volkswagen Golf Alltrack (2015) is 170 mm (6.69 inch) wider, 120 kg (265 lbs) lighter and has 203 liters (7.17 ft3) bigger cargo space than Buick Regal (2015).