for fuel consumption, according to the FIAT UK website 
Looks like FIAT have got their imperial and metric figures muddled,
but it could explain why there are so few Ideas around.
Performance (1.3 MultiJet)
Top Speed (mph) 100
Acceleration 0-62 mph (sec) 15.4
Fuel Consumption Urban (mpg) 6.2
Fuel Consumption Extraurban (mpg) 4.5
Fuel Consumption Combined (mpg) 5.1
C02 emissions 135
Emission levels EURO4
Insurance Group -
Looks like FIAT have got their imperial and metric figures muddled,
but it could explain why there are so few Ideas around.