I would definitely recommend a Prius over a HCH1. Especially if you plan on starting a family. I have worked on several HCH1's and yes, the leg room is very limited in the back. The Prius on the other hand is a different story. Lots of leg room, nice interior, batteries last forever, very low maintenance. Once you have kids, do you really think you will have time to be messing with the car all the time? Trust me on this. You won't get better mileage in a Prius than a civic, but it will be a lot more convenient in the long run.
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