I've had my Insight EX for nearly 15 months, now. I've taken a 2,000 mile trip through the Montana Rockies in it with my son and daughter-in-law as well as driven around town on a daily basis in temperatures from over 100 to colder than -25 F. For the past 4500 miles I've averaged 44.3 mph, and I'm no hypermiler. I rode in the backseat more than half the time when traveling with my son and daughter-in-law, and had no problems with room or seat comfort. While I find the car to be quiet in most circumstances, I will admit that going up long mountain slopes tended to produce significant engine noise, but not enough to stop conversations between front and back seats. It's a good car.
Fuel economy; road-feel and handling; overall appearance.
Better cup holder/center console design. Ability to download trip data onto iPod, smart phone or laptop. (Or a USB port and continuous data recording onto a thumb drive.)
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