Warren Clarke at edmund's inside line queued up a MINI and the 2012 Fiat for a size comparison. Here are the stats:
Front Head Room
Mini Cooper: 38.8 inches Fiat 500: 38.9 inches
Front Leg Room
Mini Cooper: 41.4 inches Fiat 500: 40.7 inches;
Front Shoulder Room
Mini Cooper: 50.3 inches Fiat 500: 49.4 inches
Rear Head Room
Mini Cooper: 37.6 inches Fiat 500: 35.6 inches
Rear Leg Room
Mini Cooper: 29.9 inches Fiat 500: 31.7 inches
Rear Shoulder Room
Mini Cooper: 44.7 inches Fiat 500: 46.4 inches
Width
Mini Cooper: 66.3 inches Fiat 500: 64.1 inches
Height
Mini Cooper: 55.4 inches Fiat 500: 59.8 inches
Length
Mini Cooper: 146.6 inches Fiat 500: 139.6 inches
Cargo Capacity, All Seats In Place
Mini Cooper: 5.7 cubic feet Fiat 500: 9.5 cubic feet
Maximum Cargo Capacity
Mini Cooper: 24.0 cubic feet Fiat 500: 30.1 cubic feet
