Cadillac CTS-V Coupe (2015) is 521 mm (20.51 inch) longer and 77 mm (3.03 inch) wider than Kia Niro (2017).
Kia Niro (2017) is 112 mm (4.41 inch) higher, 496 kg (1,093 lbs) lighter and has 252 liters (8.90 ft3) bigger cargo space than Cadillac CTS-V Coupe (2015).