The 2006 Honda Civic Hybrid is available as a 4-door, 5-seat sedan. Starting at $22,150, the 2006 Honda Civic Hybrid Base is powered by a 1.3L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 49-mpg in the city and 51-mpg on the highway. The top of the line 2006HondaCivic HybridWith Navigation , priced at $ 23,650 , is powered by a 1.3L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 49-mpg in the city and 51-mpg on the highway.