Quote Originally Posted by wyl03
1. During the morning drive, it was *very* windy over the southern highlands. I had to make an effort to keep the Jazz at a straight line!
I found that too. But I found that driving any old car, big or small, and even a truck. Having said that, it can get VERY windy sometimes..

Quote Originally Posted by wyl03
Under no circumstances did I attain 5.+L/100km that was quoted for highway-driving for this car.
Weird, I get that kind of figure all the time (usually only where highway driving is involved. Sometimes I can even get lower - twice now I've gotten 4.6L/100km driving into work in the city after filling up (ie. engine already warm)

Driving at 100km/h definitely uses less fuel than 110km/h, but I also find that the following affects the consumption noticeably:
* windy conditions
* underinflated tyres
* crap petrol (I only use mobil now)
* driving through rain, wind, or hot weather,
* lots of luggage or passengers
* short trips
* and finally, driving through mountains or hills.

The quoted figures are only really obtainable on long trips where the engine has had a chance to warm up. I get pretty close to the quoted 5.2L/100km on highways unless it is through lots of hills (in which case, coasting down the hill can help stop it climbing up to 6L/100km)

Side note: mine is an auto, not a manual, which makes it more fuel efficient in the case of the Jazz...

- Andrew