Buick Regal Sportback (2020) is 606 mm (23.86 inch) longer, 90 mm (3.54 inch) wider and has 33 liters (1.17 ft3) bigger cargo space than Honda HR-V (2015).
Honda HR-V (2015) is 150 mm (5.91 inch) higher and 501 kg (1,105 lbs) lighter than Buick Regal Sportback (2020).