Macka, New however is direct injection and CVT transmission. The 2016 model gets 5 mpg better average mileage than the 2010 model. I have been averaging 38-41mpg. So far I really like the CVT transmission as compared to the previous 5 speed automatic. Its very smooth.
Personally, as a mechanic, I do not like CVTs. They are still being developed and are improving but are often prone to driveability and reliability problems.
Several manufacturers have tried them and had to go back to conventional "geared" autos as the failure rate was too high (BMW/MINI/AUDI/HONDA/NISSAN and others) but they all claim that they now have the problens sorted out.
Nissan and Aisin, their CVT transmission supplier, have had a HUGE dust-up over the failure rate of their transmissions.
I have asked several Auto Trans Rebuilders what they think of them and I could not repeat here what they said.
Another problem here in OZ and I expect over there too is they they are no good for towing.
Some vehicle manufacturers ban towing altogether with CVT whilst others will allow "light duty towing".
Most are only rated up to 500 or 1000kg which is really only a trailer full of sand. You cannot pull a boat, horse float or caravan (mobile home to you guys) without negating your warranty.
For a small car that does light duties they are OK and will give better fuel economy but will not last as long as a conventional auto.
The basic problem is that in a CVT, all of the wear is taken on the belt and two pulleys (most designs!) whereas in a conventional auto the wear is spread over dozens of clutch plates/bands, which once the gear is engaged, there is no slip/wear. On a CVT there is always "slip".
We recently bought a new Honda Civic which was my Wife's choice anyway but I agreed specifically because it was the only Honda still available with a conventional auto.
All others have switched over to a CVT, like most other manufacturers.
Through experience I know that conventional Honda autos should last the life of the car.
As for fuel economy, we drove from Melbourne to Adelaide and return to visit friends and give the new car a run. That is 1500km return and averaged 5.6L/100km or 42 MPG US. I am happy with that. It is not much worse than the NT and a lot more comfortable.
I hope that you are happy with the FIT (I think it is called a JAZZ here) and have a fantastic reliability record too.
It is a great car, my parents have one and they love it.
Macka