2021 Jeep Grand Cherokee Full-size SUV Hammond

The 2021 Jeep Grand Cherokee L delivers improved unrivaled capability along with composed on-road driving dynamics. Legendary off-road capability begins courtesy of three 4x4 systems – Quadra-Trac I, Quadra-Trac II and Quadra-Drive II with rear electronic limited slip-differential (eLSD). All three systems are equipped with an active transfer case to improve traction by moving torque to work with the wheel with the most grip.

 

Quadra-Trac I is a single-speed active transfer case that uses input from multiple sensors in the vehicle to pre-emptively adjust torque distribution and will continue to reactively make corrections if tire slip occurs. When wheel slippage is detected, as much as 100 percent of available torque is instantly routed to the axle with the most traction. 

 

The Quadra-Trac II’s two-speed active transfer case with low-range gear reduction uses input from multiple sensors in the vehicle to pre-emptively adjust torque distribution and will continue to reactively make corrections if tire slip occurs. When wheel slippage is detected, as much as 100 percent of available torque is instantly routed to the axle with the most traction. Active 4-Low torque control with 2.72:1 gear ratio improves off-road maneuverability and delivers uncompromised performance.

Quadra-Drive II, with a two-speed active transfer case and rear eLSD, delivers industry-leading tractive capability. The system instantly detects tire slip and smoothly reacts distributing engine torque to tires with traction. In some cases, the vehicle will anticipate low traction and pre-emptively adjust in order to limit or eliminate tire slip. Quadra-Drive II is available on the Overland 4x4 model when equipped with the Off-Road Group and standard on Summit models.