No you cant, and believe me cuz I had tried. When an audio company introduces a new product into the market, they have priced it accordingly to their overall cost. You wont see the same parts or build quality inside a $1000 component vs. a $5000 unit so naturally they would not sound alike.
And the same thing would apply to cars, clothes, houses, etc...
And the same thing would apply to cars, clothes, houses, etc...