Yes, when braking there is more weight on the front wheels. This is the same whether FWD, RWD, or AWD. And I never stated otherwise.
FWD and AWD understeer is a result of both driving the wheels and turning them at the same time. That is, there is less traction available for turning when some of the traction is already used for propelling the car.
And keep in mind, the majority of the time one is not driving in snowy/icy winter conditions. You are stuck with AWD the rest of the year when the roads are dry. I acknowledge for many this is no problem, but for me I hate the feel of an AWD car when the roads are perfect.
No, I live in a hilly area, including a 1/4 mile uphill driveway.
Position of an engine is biggest determinant of the level of understeer. When engine sites in front of an axle, you will always have excessive understeer, regardless of amount of torque front wheels are getting. Go push Audi Quattro in corners and than BMW xDrive in corners and you will see difference. Understeer in BMW xDrive in minimal and you will never notice unless you push car to absolute limit, even than it is easily managed. I had two BMW’s xDrive, both with diesel engines (heavier front) and they always drove like proper RWD based AWD vehicles. In slick, they will oversteer in no time, like any BMW.
And then you have Lexus IS, a RWD car with excessive understeer.
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