The Toyota 4Runner, known for its ruggedness, is a suitable vehicle for outdoor adventures. The fifth-generation model can accommodate up to seven passengers and features body-on-frame construction with a four-link rear axle and coil-spring suspension, providing a comfortable ride. The 5th generation 4Runner has a distinctive SUV style, with different wheel designs based on the trim level.
The 5th gen 4Runner offers various 4WD options, including 2WD, part-time 4WD with a 2-speed transfer case, and full-time Multi-Mode 4WD with a 2-speed transfer case and locking center differential in the Limited edition. All 4WD models have 9.6 inches of ground clearance and come with a full-size spare tire. Powering the 4Runner is a 270-horsepower 4.0-liter V6 engine with 278 lb.-ft. of torque and Dual Independent Variable Valve Timing with intelligence (VVT-i) for optimized performance.
Different 4WD Options by 4Runner Model:
Limited: The 4Runner Limited is available in RWD and full-time 4WD options
SR5 & SR5 Premium 4Runners both are offered with RWD and full-time 4WD options
TRD Sport 4Runner Limited is available in RWD and full-time 4WD options
How does the Toyota 4Runner full-time 4WD system work?
The Toyota 4Runner’s full-time 4WD system is designed to provide constant power to all four wheels, improving traction and stability in various driving conditions. Here’s how the full-time 4WD system works in the 4Runner:
Power Distribution: In normal driving conditions, the full-time 4WD system distributes power between the front and rear axles in a balanced manner. This helps optimize traction and stability on both dry and slippery surfaces.
Center Differential: The heart of the full-time 4WD system is the center differential. It is responsible for distributing power between the front and rear axles. The center differential allows for the wheels to rotate at different speeds, accommodating variations in traction between the front and rear wheels.
Torque Distribution: The full-time 4WD system continuously monitors wheel slip and adjusts torque distribution accordingly. If one or more wheels lose traction, the system can transfer power to the wheels with better grip, ensuring that power is applied where it is most needed.
Limited-Slip or Locking Differential: Depending on the specific configuration of the 4Runner, the full-time 4WD system may include a limited-slip or locking differential. These features further enhance traction by transferring power to the wheels with the most traction, enabling the vehicle to navigate challenging terrain more effectively.
Adaptive Capabilities: The full-time 4WD system in the 4Runner adapts to changing road or off-road conditions. It can automatically adjust power distribution based on factors such as wheel slip, vehicle speed, and driver input. This adaptability ensures optimal performance and stability across a range of driving scenarios.
Which Toyota 4Runners are best for off-road driving and why?
TRD Off Road, Off Road Premium, TRD Pro, and 40th Anniversary Special Edition are the best choices for those who want to get out and explore where the road ends. These models all come with Toyota’s part-time 4wd with a 2-speed transfer case, locking rear differential, and other off-road goodies.
How does the Toyota 4 Runner Part Time 4WD system work?
Part-Time 4WD: The 4Runner TRD Pro utilizes a part-time 4WD system, which means it operates primarily in 2WD (rear-wheel drive) mode for normal driving conditions. However, when additional traction is needed, the driver can engage the 4WD system to distribute power to all four wheels.
Transfer Case: The TRD Pro features a two-speed transfer case, which allows the driver to choose between high-range 4WD and low-range 4WD. The high range suits most off-road situations, providing better traction and stability. Low range is designed for more challenging off-road conditions, offering increased torque and control for navigating steep inclines or descents.
Locking Rear Differential: The 4Runner TRD Pro has a locking rear differential. When activated, the locking differential ensures that both rear wheels receive equal power, even if one loses traction. This feature helps improve traction and maneuverability in off-road situations where one wheel may be off the ground or on a slippery surface.
Multi-Terrain Select: The TRD Pro is equipped with Multi-Terrain Select, which allows the driver to choose different traction control modes to match specific off-road conditions. The system adjusts throttle response, traction control, and other parameters to optimize performance on surfaces like mud, sand, rocks, or snow.
Crawl Control: The TRD Pro also features Crawl Control, a system that assists with low-speed off-road maneuvers. When activated, Crawl Control takes over acceleration and braking, allowing the driver to focus solely on steering. It maintains a constant low speed, enabling the vehicle to crawl over obstacles and challenging terrain more effectively.
The 4WD system in the 4Runner TRD and Special Edition models is specifically designed to enhance off-road capability and provide better traction and control in various challenging conditions. It combines features like the part-time 4WD system, transfer case, locking rear differential, Multi-Terrain Select, and Crawl Control to deliver impressive off-road performance. It’s worth noting that the specific details of the 4WD system may vary between different model years and generations, so it’s recommended to consult the owner’s manual or contact a Toyota dealership for the most accurate and up-to-date information.