The 2000 GMC Yukon is available as a 4-door, 5-seat sport utility. Starting at $31,727, the 2000 GMC Yukon SLE 4x2 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 18-mpg on the highway. The top of the line 2000GMCYukonSLT 4x4 , priced at $ 34,605 , 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 18-mpg on the highway.