Buick Regal TourX (2020) is 611 mm (24.06 inch) longer, 57 mm (2.24 inch) wider, 66 kg (146 lbs) lighter and has 76 liters (2.68 ft3) bigger cargo space than Kia Niro EV (2018).
Kia Niro EV (2018) is 77 mm (3.03 inch) higher than Buick Regal TourX (2020).