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Toyota got some 'splainin to do [AWD systems on Rav4, Highlander, Venza and Sienna?]
What is the difference between the AWD systems on Rav4, Highlander, Venza and Sienna?
Go to Toyota's own page and look at the compare to other vehicles and insert the 4 models this is what you get:
In Comparison Toyota's descriptions are as follows:
Highlander: Four Wheel Drive - Full Time
Rav4: All Wheel Drive
Venza: Four Wheel Drive - Full Time
Sienna: All Wheel Drive
Looks like there are two systems, one in use by the Highlander and Sienna and the other by the Rav4 and Venza.
Now look at the descriptions in the detailed specs for each model:
Highlander: Full-time 4-wheel drive (4WD)
Rav4: Electronic On-Demand 4WD with 4WD manual lock switch
Venza: Active Torque Control All-Wheel Drive system
Sienna: Active Torque Control All-Wheel Drive system
Now it looks like there are 3 types with the highlander and rav4 each having their own and the Venza and Sienna sharing this new fangled active torque control.
So what do we have here, a single system with multiple names or 2 systems or 3?
The highlander community seems pretty convinced that they have full time 50-50 split.
I think the Venza and Sienna both have the switch to turn off VSC indicating that they are probably the same as the RAV4. I'm not sure if the Highlander does or not. But if it does I suspect it may also be the same as the RAV4. Maybe the 50-50 full time split is just a potential split for when the car slips and VSC comes on when it can go to 50-50.
The hp and torque measurements for the v6 in all models are within 2-3 hp or footpounds of each other. If the AWD systems were different might those numbers also be different? Are they measuring HP at the flywheel or at the rear wheels?
Does anyone have an answer to this confusing mess?
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