average fuel consumption is 47.6 MPG or 6.4 litres/100km and average CO2 output is 157.4 g/km based on 6618 models.. Data table - click on a title to order by column: CO2 (carbon dioxide), mileage, fuel economy and other emissions data for Ford Transit Connect 1.8 Tdci cars. Use our handy tool to get estimated annual fuel costs based on your driving habits. 24.2 Avg MPG. 25.8 Avg MPG. View detailed gas mileage data for the 2014 Ford Transit Connect. Actual link to this page: Most of the car data is uploaded by visitors of the site. Learn more about the 2012 Ford Transit Connect. Transit Connect. See the 2012 Ford Transit Connect price range, expert review, consumer reviews, safety ratings, and listings near you. 2012 Ford Transit GAS L4 Added Feb 2013 • 67 Fuel-ups. 2012 Ford Transit Connect Fuel Economy 2012 Ford Transit Connect Van, 2.0 Liters, 4 Cylinders, 4 Speeds, Automatic Transmission MPG City MPG: 21 MPG (U.S.) 11 L/100km 9 km/liter 25 MPG (Imperial) Highway MPG: All data is provaded "as is" without warranty or any representation of accuracy, timeliness and completeness. Property of crf50racer . average fuel consumption is 46.0 MPG or 6.5 litres/100km and average CO2 output is 161.9 g/km based on 4411 models.. Data table - click on a title to order by column: CO2 (carbon dioxide), mileage, fuel economy and other emissions data for Ford Transit 2012 cars. The transit. 2012 Ford Transit GAS L4 Added Feb 2014 • 3 Fuel-ups. Property of gizmoracing . Edmunds' expert review of the Used 2012 Ford Transit Connect provides the latest look at trim-level features and specs, performance, safety, and comfort. Uhtred Dubh.