Chevrolet Impala (2020) is 4 mm (0.16 inch) wider and 236 kg (520 lbs) lighter than Renault Alaskan (2017).
Renault Alaskan (2017) is 286 mm (11.26 inch) longer, 314 mm (12.36 inch) higher and has 529 liters (18.68 ft3) bigger cargo space than Chevrolet Impala (2020).