Focus - 04 showed instant mpg. In new Focus it's disabled (all models and versions). In order to have an idea of your real time mpg you must reset frequently your average mpg (loosing however the big picture of your consumes over the last 500 miles). Also, in test mode, you can watch the flow rate of fuel. Like the old vacuometre, the real-time mpg is very useful in a new car, for getting an idea of the engine's "thirst" in various conditions of speed, slope and load, and permits you to calibrate the optimum gas-pedal pressure and speed in different coditions.