Buick Regal Sportback (2019) is 28 mm (1.10 inch) wider, 2 mm (0.08 inch) higher, 180 kg (397 lbs) lighter and has 82 liters (2.90 ft3) bigger cargo space than Cadillac CTS-V (2016).
Cadillac CTS-V (2016) is 119 mm (4.69 inch) longer than Buick Regal Sportback (2019).
