The 2006 Volvo XC90 is available as a 4-door, 5-seat sport utility. Starting at $36,075, the 2006 Volvo XC90 FWD is powered by a 2.5L , 5 -cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 23-mpg on the highway. The top of the line 2006VolvoXC90Volvo Ocean Race Edition AWD , priced at $ 49,860 , is powered by a 4.4L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 21-mpg on the highway.