From Infiniti press: Since its introduction in late 1996 as a 1997 model, the Infiniti QX4 luxury sport utility vehicle (LSUV) has become one of the premium nameplates in its class. Boasting a distinctive combination of style, strength and technology, including the exceptional performance of its advanced All-Mode 4WD® system, the QX4 offers true off-road capability in unabashed comfort. For 2000, the QX4 receives only minor emissions refinements. An all-new, more powerful QX4 will be introduced later this year as a 2001 model.
The 2000 QX4 is again powered by a refined 3.3-liter SOHC 12-valve V6 engine that produces 170 horsepower at 4,800 rpm and 200 ft-lbs of torque at 2,800 rpm. Over 90 percent of the engine’s torque is available in the 1,500 - 1,800 rpm range - providing exceptional power for low speed off-road driving and sustaining power at higher engine speeds for throttle response while accelerating, towing or cruising over long distances. All QX4s are equipped with a standard electronically controlled 4-speed automatic transmission mated to the advanced All-Mode 4WD system.
The QX4 is built with rigid MonoFrame® construction, providing a stable platform, reduced noise and vibration, improved ride and handling and excellent body fit. The QX4’s advanced suspension offers the best of both on-road comfort and off-road durability. The independent front strut design provides exceptional driving feel and enhanced stability along with a tight turning radius and a long stroke for exceptional suspension travel which helps each wheel maintain contact with the ground over uneven terrain.
Every Infiniti QX4 comes equipped with All-Mode 4WD. This unique system provides a superior driving experience on pavement and off, utilizing all-wheel drive technology derived from Nissan’s world-class Skyline GT-R sports coupe, rather than traditional truck-based systems. The QX4’s All-Mode 4WD was designed to instantly distribute torque to the front wheels (up to 50 percent can go to the front wheels on demand) resulting in optimal traction with improved fuel economy and enhanced cornering capability.
The heart of the All-Mode 4WD mechanical system is a wet multi-plate clutch in the center differential. Managed by an advanced computerized electronic control unit, the multi-plate clutch precisely and instantly allots the right amount of torque, as conditions warrant, to the front and rear axles. A 4-Lo position has been added to the All-Mode selector dial (rather than a separate lever).