You said the Prius gets better mileage than the Insight, how much better?

Internal testing of the Toyota Prius rates it at a combined average of 50 mpg, compared to the Insight at a combined average of 41 mpg. Keep in mind it's all about how you drive the thing; the website Autoblog Green was able to squeeze an amazing 63.4 mpg on a test run of the Insight. To help you get the most out of the Insight, Honda has designed mechanisms to "coach" you into driving in a more mileage-friendly manner.