I think you will find @
Cadabena that its the 75HP variant which doesn't have the DPF (DieselParticulateFilter) and DMF (DualMassFlywheel). These based on my understanding were "options" on the 75HP cars and then became "standard Equipment" on the 90HP cars.
@
Slip66 I have a 5 door 07 1.3Mjet 75HP. I use it to get to work and back (2 miles each way) and the shopping trips, etc. Depending on how aggressive you are with acceleration or your top speed on a motorway, its possible to get 40~50MPG combined average. I'm currently managing 48MPG average on my tank, but my last tank was mostly to work and back and that was 42MPG. My car doesn't really get warm enough on the work trips which will not help consumption, but overall although I can hit 70+MPG on a flat road at 60MPH, I think 70MPG as an "
average" is optimistic unless you accelerate without using the Turbo at all (shifting all gears between 1~2000rpm), and that's just not safe and takes way too long.
On the motorway 5th Gear at 60MPH is around 2200rpm, at 70MPH its closer to 3000rpm. If you were to keep to a constant 70MPH @3000rpm, then your average consumption will be in the low 40's in my opinion. The car is happiest and most fuel efficient at 60MPH. My opinion is that the car is geared towards town transport with the 5 speed gearbox. Can't comment on the 6 speed gearbox version.
Neither version is going to win you any races, but the 75HP version is simpler with less expensive parts to go wrong and not that much slower than the 90HP version. The 90HP version is arguably more refined and the 6 speed box may offer an advantage on A/M roads, but you need to drive it yourself and see.
Overall though cheap and cheerful motors that feel much better put together than the previous Punto's. I'm managing 1 tank fill up per month, which is less than half of what I used to pay for fuel per month using my other car
Good Luck.