Ford Explorer Sport Trac is a mid-size sport utility vehicle with a pickup truck bed based on the Ford Explorer SUV available in three models; XLT, Limited and Adrenalin. The engine become another choice, work fast or faster. The 4.0L V6 is a potent workhorse, ready to tow, haul or going just about anywhere. Or turn up the heat with the available 4.6L V8 that puts its 292 horsepower and 315 lb.-ft. of torque. The V8 and six-speed automatic transmission provide all the low-rpm torque needed along with an excellent EPA-estimated 21 mpg rating at highway speeds.