AUTO ZONIC · VEHICLE RESEARCH

Honda Ridgeline AWD or 4WD? i-VTM4 vs Traditional 4×4

Honda Ridgeline AWD or 4WD? i-VTM4 vs Traditional 4×4

Current and recent Honda Ridgelines use Honda’s i-VTM4 all-wheel-drive system, not a traditional selectable 4WD transfer case with 4-High and 4-Low. On the 2021 Ridgeline, i-VTM4 AWD is standard on every trim and works with Intelligent Traction Management modes for Normal, Snow, Mud and Sand.

AWD vs 4WD on the Ridgeline

Feature Modern Ridgeline i-VTM4 Traditional selectable 4WD
Basic type Proactive AWD Transfer-case 4WD
Front/rear torque distribution Automatically varied Typically driver-selected ranges/modes
Rear-wheel torque vectoring Yes, via separate rear clutch packs Depends on vehicle
4-Low range No Common on many traditional off-road trucks
Surface modes Normal, Snow, Mud, Sand on 2021 Depends on vehicle

How i-VTM4 works

Honda’s i-VTM4 system varies torque from front to rear according to driving conditions. At the rear axle, two electro-hydraulically controlled clutch packs can send different amounts of torque to the left and right rear wheels independently.

That lets the system react to low-grip surfaces and also use torque vectoring to improve dry-road cornering response.

Do you turn the AWD on manually?

No. On a modern i-VTM4 Ridgeline, AWD operation is automatic. The driver can choose an Intelligent Traction Management surface mode, but there is no separate “engage 4WD” procedure like a traditional truck with a transfer case.

Does the Ridgeline have 4-Low?

No. Modern Ridgelines do not have a low-range transfer case. Sand and Mud modes change how the throttle, transmission, stability-control and AWD systems respond, but they are not the same thing as mechanical 4-Low.

Why older Ridgelines are sometimes called 4WD

The original 2006 Ridgeline used Honda’s older VTM-4WD system. Honda’s launch material described it as a fully automatic four-wheel-drive system and included VTM-4 Lock functionality for low-speed traction situations. The second-generation Ridgeline switched to i-VTM4 AWD terminology and hardware.

That generation change is why a single timeless “Ridgeline is AWD/4WD” answer can be misleading.

Related: VTM-4 vs i-VTM4, Ridgeline in snow, and Ridgeline on sand.

Sources

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