The 2002 GMC Yukon is available as a 4-door, 5-seat sport utility. Starting at $34,091, the 2002 GMC Yukon SLE 4x2 is powered by a 4.8L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 19-mpg on the highway. The top of the line 2002GMCYukonCommercial Fleet 4x4 , priced at $ 36,624 , is powered by a 4.8L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 17-mpg on the highway.