Re new kia engine
" Drivers who regularly face difficult driving conditions, tow trailers or go off-road, can choose the diesel 4WD æon-demandÆ drivetrain which also offers a manually activated æLock ModeÆ to split the torque 50/50 between the front and rear axles."
http://www.nextcar.com.au/n.kia.sorento.121029.my13.html