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Why are so many people saying the Yaris or Civic gets equal or better gas mileage than the smart? I know I haven't been in a math class in a while, but I know that 33mpg city (smart) is better than 26, 28, and 29mpg (Civic, Fit, Yaris respectfully).
While it's probably right that a Japanese engine in the smart would probably fare better in mpg, it's an outright lie to suggest the other cars get better mileage.
There's another reason to look at smart, and that is the manufacturing process which is like no other. The goal is to create a more sustainable car with over 95% of the vehicle recyclable, and a low-waste manufacturing facility.
Also keep in mind that we're looking at gen 1 cars in the States while abroad they're already rolling out micro hybrid versions.