Quote Originally Posted by Everybody2 View Post
I probably should've noted, when I bought the car I confirmed it's speedo against 2 GPS units (one navman one tomtom), as well as confirmed the fuel consumption avg figure against the amount of fuel I had acctually used in the tank at each fill.

I monitored the fuel consumption over about 5 tanks when I first had the Jazz....it was accurate enough to be indistinguishable.

I should've also pointed out, the highest fuel consumption was also in summer and the air-con on basically full-time.
It must only be the GEs that have the accuracy problem.