The 2012 Honda Insight is available as a 4-door, 5-seat hatchback. Starting at $18,500, the 2012 Honda Insight Base is powered by a 1.3L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 41-mpg in the city and 44-mpg on the highway. The top of the line 2012HondaInsightEX With Navigation , priced at $ 23,690 , is powered by a 1.3L , 4 - cylinder engine that returns an EPA estimated 41-mpg in the city and 44-mpg on the highway.