Chevrolet Impala Limited (2014) is 460 mm (18.11 inch) longer and 67 mm (2.64 inch) wider than Nissan X-Trail (2015).
Nissan X-Trail (2015) is 279 mm (10.98 inch) higher, 113 kg (249 lbs) lighter and has 38 liters (1.34 ft3) bigger cargo space than Chevrolet Impala Limited (2014).