Couple of points.
I now have two Sparks and like them, however, I do have to agree with Greg_E that there seems to be quality control issues with these models. I researching when we were buying the first one we had driven no less than six sparks in differant configurations, and the quality and even performance of the individual cars varied wildly. The one we ended up getting was the most solid of the bunch and on the dealers lot, so we were dealing on (as much as you can tell) a known quantity.
Issues we observed in some of the six were:
Distinct lack of power compared to other Sparks in