The 2006 Chevrolet Suburban 1500 is available as a 4-door, 5-seat sport utility. Starting at $38,665, the 2006 Chevrolet Suburban 1500 LS 4x2 is powered by a 5.3L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 19-mpg on the highway. The top of the line 2006ChevroletSuburban 1500Commercial Fleet 4x4 , priced at $ 41,465 , is powered by a 5.3L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 18-mpg on the highway.