Chevrolet Impala (2014) is 114 mm (4.49 inch) longer and 285 kg (628 lbs) lighter than Subaru Ascent (2020).
Subaru Ascent (2020) is 76 mm (2.99 inch) wider, 323 mm (12.72 inch) higher and has 1134 liters (40.05 ft3) bigger cargo space than Chevrolet Impala (2014).