FIAT 500L Trekking (2020) is 699 mm (27.52 inch) longer, 130 mm (5.12 inch) wider, 118 mm (4.65 inch) higher and has 187 liters (6.60 ft3) bigger cargo space than FIAT Panda (2014).
FIAT Panda (2014) is 375 kg (827 lbs) lighter than FIAT 500L Trekking (2020).