Formulation for successful SUV

We all know that, SUV is the most enjoying market for car manufacturers. And we all know that all of them have kind of SUVs.
So, I made up a formula for successful SUV;
Ideal SUV = Σ(Big, Diesel, Automatic, Cheaper than alternatives)
When you use this formula while designing an SUV, you will definitely success. Because, lots of manufacturer used this formula and their SUVs are climbing sales figure better than they could climb hills off road.