well, after putting on the 30x9.5x15 tires, I finally got to take it for a long run. The fuel consumption was an average of 10L/100Km's which I think is about 24mpg

99 Auto Sportage. Wildcat Extractors, Lukey Turbo Muffler, Warn manual hubs, K&N Air filter, Tyres 30/9.5/15, Ironman 40mm springs, KYB front struts & rear shocks, GME TX3220 UHF radio, dual battery system. Twin 10" electric fans. Next Job: Body lift